A. Abramovici Department of Nuclear Physics, Weizmann Institute of Science, Israel
M A. Abramowicz International School for Advanced Studies, Trieste, Italy
P.C. Aichelburg Institute for Theoretical Physics, University of Vienna, Austria
P.S.C. Alencar Physics Department, University of Brasilia, Brazil
A. Altamore Department of Astronomy, University of Rome, Italy
E. Amaldi Physics Department, University of Rome, Italy
J. Aman Institute of Theoretical Physics, University of Stockholm, Sweden
J. Anandan Max Planck Institute, Munich, West Germany
P. Anderson Physics Department, University of Florida, Gainesville, Florida, U.S.A.
A.M. Anile Mathematics Department, University of Catania, Italy
V. Antonuccio International School for Advanced Studies, Trieste, Italy
C. Aragone Physics Department, University Simon Bolivar, Caracas, Venezuela
J. Audretsch Physics Department, University of Constance, West Germany
C.S. Aulakh International Centre for Theoretical Physics, Trieste, Italy
A. Aurilia International Centre for Theoretical Physics, Trieste, Italy
R. Balbinot Physics Department, University of Bologna, Italy
A.B. Balde University of Conakry, Republic of Guinea
A. Ballarin Physics Department. University of Rome, Italy
L. Baratta Astronomical Observatory of Rome, Italy
J.M. Bardeen Phvsics Devartment, University of Washington, Seattle, Washington, U.S.A.
M. Bassan Physics Department, University Tor Vergata, Rome, Italy
F. Bastianelli Physics Department, University of Bologna, Italy
N.A. Batakis Physics Department, University of lonnina, Greece
J. Batt Mathematics Institute, Ludwig-Maximilians University, Munich, West Germany
R. Battiti Physics Department, University of Trento, Italy
S. Bazanski Institute of Theoretical Physics. Warsaw University, Warsaw, Poland
B. Beig Institute for Theoretical Physics, University of Vienna, Austria
V. Belinskii Landau Institute for Theoretical Physics, Moscow, U.S.S.R.
L. Bellagamba Physics Department. University of Bologna, Italy
P. Bender Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder
R. Bergamini Laboratory of Radioastronomy. Physics Department, University of Bologna, Italy
B.K. Be Rger Physics Department, Oakland University. Rochester, Michigan, U.S.A.
S. Bergia Physics Department, University of Bologna and National Institute for Nuclear Physics (INFN), Bologna, Italy
C. Berni Do National Institute for Physics, University of the Philippines, Diliman Quezon City, Philippines
A. Bernui International School for Advanced Studies, Trieste, Italy
F. Bertola Astronomy Department, University of Padua, Italy
B. Bertotti Physics Department, University of Pavia, Italy
A. Blagojevic Institute of Physics, Belgrade. Yugoslavia
A. Blanchard Meudon Observatory, Paris, France
L. Blanchet Department of Theoretical Astrophysics, California Institute of Technology, Pasadena, California, U.S.A.
M. Blau Institute for Theoretical Physics. University of Vienna, Austria
D. Boccaletti Mathematics Department, University of Rome, Italy
M. Bonaldin Physics Department, University of Tren to, Italy
M. Bordoni Mathematics Department, University of Rome, Italy
P. Borghero Mathematics Department, University of Cagliari, Italy
P. Boynton Physics Department, University of Washington, Seattle, Washington. U.S.A.
A. Brillet Faculty of Sciences, Orsay, France
W. Bruckman Hun~co University College, Humaco, Puerto Rico
H. Bruno Center for Particle Theory, University of Texas, Austin, Texas, U.S.A.
U. B Ruzzo Mathematics Department, University of Genoa, Italy
A. Burd Astronomy Center, University of Sussex, Brighton, England
C. Buzzanca Mathematics Department, University of Palenno, Italy
B. Cabhera Physics Department, Stanford University, Stanford, California, U.S.A.
A. Cadez Physics Department, University Edvard Kardell, Llubllana, Yugoslavia
M. Cafora Department of Theoretical and Nuclear Physics, University of Pavia, Italy
G. Callegari Physics Department, University of Ferrara, Italy
F. Calogero Physics Department, University of Roine, Italy
M. Calvani Astronomy Department, University ofpadua, Italy
B. Campani National Institute for Nuclear Physics (INFN), Pisa, and Physics Department, University of Pisa, Italy
P. Candelas Physics Departinent, University of Texas, Austin, Texas, U.S.A.
G. Caricato Mathematics Department, University of Rome, Italy
G. Carlni Mathematics Department, University of Messina, Italy
M. Carmeli Center for Theoretical Physics, Ben~Gurion University of the Negev, Beer-Sheva, Israel, and the Department of Physics and Astronoiny, University of Maryland, College Park, Maryland, U.S.A.
B. Carter Observatory of Paris, Meudon, France
M. Castagnino Astronomy Department, Sucursal, Buenos Aires, Argentina
H. Catenacci Mathematics Department, University of Pa via and National I, ?Stitute for Nuclear Physics (INFN), Pavia, Italy
C. Cattani Mathematics Department, University of Rome, Italy
D. Cattani Physics Department, University of Bologna, Italy
A. Cavaliere Physics Department, University Tor Vergata, Rome, Italy
G. Caviglia Mathematics Department, University of Genoa, Italy
M. Cerdonio Physics Department, University of Trento, Italy
S.M. Chitre Tata Institute for Fundamental Physics, Bombay, India
Y. Choquet-Bruhat Mechanics Department, University of Paris, France
T. Christodoulakis National Hellenic Research Foundation, Athens, Greece
P. Chrusciel Polish Academy of Sciences, Warsaw, Poland
Yaoqian CHU Academa Sin ica, Beiling, China
H. Cianci Mathematics Department, University of Genoa, Italy
I. Cufolini The Center for Theoretical Physics and Relativity, Physics Department, University of Texas, Austin, Texas, U.S.A.
E. Coccia Physics Department, University Tor Vergata, Rome, Italy
A. Colluha Astronomy Department, University of Palermo, Italy
G. Cooper Department of Physics and Astronomy, Brigham Young University, Provo, Utah, U.S.A.
F.I. Cooperstock Physics Departn~ent, University of Victoria, Victoria B.C., Canada
C. Cohetti Physics Department, University of Rome, Italy
S. Cortiglione National Research Council (CNR), Institute of Technology and Study of Extraterrestrial Radiation (TESRE), Bologna, Italy
C. Cosmelli Physics Department, University of Rome, Italy
D. Cuomo Electronics Department, University of Naples, Italy
A. Curir Astronomical Observatory of Turin, Italy
S. D'agostino Physics Department, University of Rome, Italy
D. Dal Flume National Research Council (CNR), Institute of Technology and Study of Extraterrestrial Radiation (TESRE), Bologna, Italy
G. Dall'oglio Physics Department, University of Rome, Italy
T. D'amour Observatory of Paris, Meudon, France
P. De Bernadis Physics Department, University of Rome, Italy
F.A.B. Rabelo De CARVALHO Physics Department, University Federation of Rio de Janeiro, Brazil
F. De Felice Physics Department, University of Padua, Italy
M. De Maria Physics Department, University of Rome, Italy
G. De Masi Physics Department, University of Naples, Italy
M. Demianski Institute for Theoretical Physics, University of Warsaw, Poland
G. Denardo International Centre for Theoretical Physics, Trieste, Italy
V. De Sabbata Physics Department, University of Bologna, Italy
B. De Tollis Physics Department, University ofperugia, Italy
D. Dewey Massachusetts Institute of Technology, Cambridge, Massachusetts, U.S.A.
V. Diambrini Physics Department, University of Rome, Italy
W. Dietz Institute for Theoretical Physics, University of Wurzburg, West Gern)any
H. Doria Federal University of Rio de Janeiro, Brazil
T. Dray b7stitute for Theoretical Physics, Utrecht, The Netherlands
H. Drever California Institute of Technology, Pasadena, California, U.S.A.
M. Dubal International School for Advanced Studies, Trieste, Italy
M. Duff CERN, Geneva, Switzerland
T. Duvall National Solar Observatory, Tucson, Arizona, U.S.A.
J. Eisenstaedt Laboratory of Theoretical Physics, Institute Henri Poincare', Paris, France
C.M. Emmer Mathematics Department, University of Roine, Italy
A. Englert CERN, Geneva, Switzerland
E.P. Esteban Physics Department, Humaco University College, Humaco, Puerto Rico
F. Everitt Physics Department, Stanford University, Stanford, California, U.S.A.
H. Fabbhi Department of Higher Physics, University of Florence, Italy
H.V. Fagundes Institute of Theoretical Physics, Sao Paolo, Brazil
W. Fairbank Physics Departn~ent, Stanford University, Stanford, California, U.S.A.
Li Zhi Fang University ofScience and Technology of China, Academia Sinica, Beiling, China, and International Centre for Theoretical Physics, Trieste, Italy
L. Fedele Television of Italian Switzerland, Lugano, Switzerland
A. Ferrari Physics Department, University of Turin, Italy
V. Ferrari Physics Department. University of Rome, Italy
P. Figa'talamanca Mathematics Department, University of Rome, Italy
S. Filippi Physics Department, University of Rome, Italy
L.S. Finn Department of Theoretical Astrophysics, California Institute of Technology, Pasadena, California, U.S.A.
A. Flnzi Physics Department, Technicon, Israel Institute of Technology, Haifa, Israel
L. Ford Physics Department, Tufts University, Med ford, Massachusetts, U.S.A.
P. Fortini Physics Department, University of Ferrara, Italy
M. Francviglia Mathema tics Department, University of Turin, Italy
P. Fre' CERN, Geneva, Switzerland
K. Freese Institute for Theoretical Physics, University of California, Santa Barbara, California, U.S.A.
S. Fubini Theory Division, CERN, Geneva, Switzerland
M.K. Fujimoto Tokyo Astronomical Observatory, Mitaka, Japan
F. Fuligni Institute of Interplanetary Space Physics. CNR, Frascati, Italy
T. Futamase Department ofApplied Mathematics and Astronomy, University College, Cardiff, Wales
P. Galeotti Institute of Cosmo-Geophysics, National Research Coiincil (CNR). Turin, and Physics Department, University of Turin, Italy
K. Gediz-Akdeniz Istanbul University, Istanbul, Turkey
U.H. Gerlach Mathematics Departmenr, Ohio State University, Colombus, Ohio, U.S.A.
H. Ghistellini Physics Department, University ofMilan, Italy
H. Giacconi Space Telescope Institute, John Hopkins University, Baltimore, Maryland, U.S.A.
H. Gialloni Physics Department, University of Bologna, Italy
F. Giani Aetiltaila, Turin, Italy
P. Giannone Astronomical Observatory. Rome, Italy
L. Gianuzzi Mathematics Department University of Rome. Italv
A. Giazotto Physics Department, University ofPisa and National Institute for Nuclear Physics (INFN), Pisa, Italy
L. Girardello CERN, Geneva, Switzerland
C. Glymour Department of History and Philosophy of Science, University of Pittsburg, Pennsylvania, U.S.A.
J. Goldberg Physics Department, Syracuse University, Syracuse, New York, U.S.A.
P. Goode Physics Department, New Jersey Institute of Technology, Newark, New Jersey, U.S.A.
V. Gorini Physics Department, University of Milan, Italy
M. Green Physics Department, Oueen Mary College. London, England
J. Gribbon New Scientist Magazine, London, England
M. Gurses TUBITAK, Research Institute for Basic Sciences, Gebze-Kocaeli, Turkey
H. Gursky Naval Research Laboratory, Washington, D.C., USA.
S. Hagag University of Cairo, Egypt
P. Hajicek Institute for Theoretical Physics, University of Bern, Switzerland
J. Halliwell Department for Applied Mathematics and Theoretical Physics., Cambridge, England
L. Halpern Physics Department, Florida State University, Talahassee, Florida, U.S.A.
H. Hamber Physics Department, University of California, Irvine, California, U.S.A.
L. Hannu-Pekka Physics Department, University of Toronto, Ontario, Canada
C. Harper Oxford University, Oxford, England
B.K. Harrison Brigham Young University, Provo, Utah, USA.
J. Hartle Phvsics Department, University of California, Santa Barbara, Call fornia, U. S. A.
M. Haugan Physics Department, Purdue University, West Lafayette, Indiana, U.S.A.
F.W. Hehl Institute for Theoretical Physics, University of Koin, West Germany
J.A. Helayel-Neto International Centre for Theoretical Physics, Trieste, Italy
M. Henneaux University Libre de Bruxelles, Campus Plaine, Brussels, Belgium, and Center of Scientific Studies, Santiago, Chile
L. Herrera University Simon Bolivar, Caracas, Venezuela
H. Hill Physics Department, and Arizona Research Laboratories, University of Arizona, Tucson, Arizona, U.S.A.
C. Hoenselaers Research Institute for Fundamental Physics. Kyoto University, Kyoto, Japan
H. Hofstadter Physics Department, Stanford University, Stanford, California, U.S.A.
G. Horowitz Racab Institute of Physics, Hebrew University, Jerusalem, Israel
B.L. Hu Department of Physics and Astronomy, University of Maryland, College Park, Maryland; USA
En-Ke Hu Physics Department, Stanford University, Stanford, California, U.S.A.
Kyu Lee Hyun Physics Department, College of Natural Sciences, Seoul, Korea
J. Ibanez Department of Theoretical Physics, University de las Islas Baleares, Palma de Mallora, Spain
L. Iess Institute of Interplanetary Space, National Research Council (CNR), Frascati, Italy
G. Ingrosso Physics Department, University of Lecce, Italy
A. Italiano Physics Department, University of Catania, Italy
H. Jantzen Phvsics Department, University of Rome, Italy, and Mathematics Department, Villanova University, Villanova, Pennsylvania, U.S. A.
A. Jeffries Massachusetts Institute of Technology, Cambridge, Massachusetts, U.S.A.
B.P. Jensen Center for Theoretical Physics, University of Texas, Austin, Texas, U.S A.
J. Jimenez University Simon Bolivar, Caracas, Venezuela
W. Johnson Physics Department, University of Rochester, New York, U.S A.
K. Shaker Jomaa Mathematics Department, Imperial College, London, England
J. Kalkayci Physics Depaitment, Bogazici University, Istanbul, Turkey
H. Kandrup Department for General Relativity Physics, University of Maryland, College Park, Maryland; USA.
B.S. Kay Institute for Theoretical Physics, University of Zurich, Switzerland
G.M. Keiser Stanford University, Stanford, California, USA.
M. Keita Physics Department, University of Conakry, Republic of Guinea
I.M. Khalatnikov Landau Institute for Theoretical Physics, Moscow, USSR. KHAN, International Centre for Theoretical Physics, Trieste, Italy
Y.D. Kim High Energy Physics Group, Sogang University, Seoul, Korea
C. Kolassis Laboratory of Theoretical Physics, Institute Henri Poincare'. Paris, France
W. Kopczynski Institute of Theoretical Physics, University of Warsaw, Poland
M. Korke Philosophy Department, University of Regina. Saskatchewan, Canada
J. Kowalski-Glikman Institute of Theoretical Physics, University of Warsaw, Poland
R.A. Kraenkel Institute of Theoretical Physics, Sao Paulo, Brazil
H. Kragh Magnolie Vangen 41, 3450 AlIe Roed, Denmark
D. Kramer Institute for High Energy Physics, Friedrich-Schiller University. Jena, East Germany
A. Krasinski N. Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
D. Le Denmat Laboratory of Theoretical Physics. Institute Hend Poincare', Paris, France
S. Lee Ernst Friedrich Strasse 3, Karlsruhe, West Germany
J.P. Lemos Institute ofAstronomy, Cambridge, England
P. Letelier Physics Department, University of Brasilia, Brazil
T. Lhallabi Physics Department, Faculty of Sciences, Rabat, Morocco Miao LI, Academia Sinica, Beifing, China
E.P. Liang Lawrence Livermore National Laboratory, University of Cailfornia, Livermore, California, U.SA.
J. Livas Physics Department, Massachusetts Institute of Technology, Cambridge, Massachusetts, U.S A.
S. Longhi National Institute of Nuclear Physics (INFN), Florence, Italy
C.A. Lopez Physics Department, University of Chile, Santiago, Chile
Ju-Fu Lu Academia Sinica, Beifing, China
B. Lukas Hungarian Academy ofScience, Central Research Institute for Physics, Budapest, Hungary
J.P. Luminet Relativistic Astrophysics Group, Meudon Observatory, Paris, France
L. Lusanna National Institute for Nuclear Physics (INFN), Florence, Italy
K. Maeda International Centre for Theoretical Physics, Trieste, Italy
J. Maharana Theory Division, CERN, Geneva, Switzerland
K. Maischbehger Max Planck Institute, Munich, West Germany
P. Majumdar Saha Institute of Nuclear Physics, Calcutta, India
A. Malagoli Physics Department, University of Rome, Italy
A. Mammano Mathematics Department, University of Messina, Italy
F. Man Faculty of Sciences, Orsay, France
A. Mangan Glasgow University, Scodand
V. Manno European Space Agency, Paris, France
A. Manogue School for Natural Sciences, Institute for Advanced Study, Princeton, New Jersey, USA
G. Marcilhacy Laboratory of Theoretical Physics, Institute Henri Poincare', Paris, France
M. Martellini Institute for Theoretical Physics, Utrecht, The Netherlands
A. Marzuoli Department of Theoretical and Nuclear Physics, University of Pavia, Italy
S. Masi Physics Department, University of Rome, Italy
H.G. Mclenaghan Meudon Observatory, Paris, France
C. Mega Department of Theoretical Astrophysics, University of Tubingen, West Germany
F. Melchiorri Physics Department, University of Rome, Italy
A. Mellot Enrico Fermi Institute, University of Chicago, Illinois, USA.
P. Merat Astrophysical Institute of Paris, France
P. Michelson Physics Department, Stanford University, Stanford, California, USA.
S. Mignemi International School for Advanced Studies, Trieste, Italy
I. Modena University of Tor Vergata, Rome, Italy
R.P. Mondaini Center of Mathematics and Natural Sciences, Rio de Janeiro, Brazil
J. Moreno Neil Armstrong Astronomical Center, Salerno, Italy
O.M. Moreschi Max Planck Institute, Munich, West Germany
T. Morgan Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
P. Moschetti Mathematics Department, University of Catania, Italy
B. Moskowitz High Energy Physics Laboratory and Physics Department, Stanford University Stanford, California, USA.
I C. Moss School of Physics, The University, Newcastle upon Tyne, England
P.F. Muciaccia Astronomy Department, University of Rome, Italy
H. Myers Physics Department, Princeton University, Princeton, New Jersey, USA.
E.NAHMAD-Achlr Institute ofAstronomy, University of Cambridge, Engla';~'
V. Natale IRGE, Florence, Italy
Y. Ne'eman Department of Physics and Astronomy, Tel-Aviv University, Israel
J. Negroponte National Research Council (CNR), Institute of Technology and Study of Extraterrestrial Radiation (TESRE), Bologna, Italy
G. Newton Department of Natural Philosophy, University of Glasgow, Scotland
Wei-Tou Ni Physics Department, National Tsing Hua University, Hsinchu, Taiwan, Republic of China, and Physics Department, University of Virginia, Charlottesville, Virginia, U.S A., and Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder, Colorado, USA
H.T. Nieh Physics Department, State University of New York, Stony Brook, New York, USA
I. Nikolic Institute of Physics. Belgrade, Yugoslavia
N. Nissani Center for Theoretical Physics, Beer Sheeva, Israel
L. Nobili Physics Department, University of Padua, Italy
H.P. Nollbert Institute for Theoretical Physics, University of KoIn, West Germany
K. Nordtvedt University of Montana, Bozeman, Montana, USA.
J. Norton Department of History and Philosophy of Science, University of Pittsburg, Pennsylvania, USA.
M. Novello Centro Brasileiro des Pesquisas Fisicas, Rio de Janefro, Brazil
Y. Nutku Physics Departme'?t, Bogazici University, Istanbul, Turkey
F. Occhionero Institute of Spatial Astrophysics, Frascati, Italy
N. O'donnel University College, Cardift, Wales
0. Oguz International Centre for Theoretical Physics. Trieste, Italy
S. Owa Physics Department, University of Tokyo, Japan
F. Pacheco Physics Department, University of Rome, Italy
D.N. Page Physics Department, Pennsylvania State University, University Park, Pennsylvania, USA.
G. Panariello Electronics Departl??ent, University of Naples, Italy
P.Y.T. Pang International School for Advanced Studies, Trieste, Italy
G. Papini Department of Physics and Astronomy, University of Regina, Saskatchewan, Canada
D. Passuello National Institute for Nuclear Physics (INFN), Pisa, and Physics Department, University of Pisa, Italy
M. Pavsic Institute Josef Ste fan, University Liublilana, Liublilana, Yugoslavia
F. Pegoharo Physics Department, University of Pisa, Italy
Peliti Physics Department, University of Rome, Italy
Quhi PENG Academia Sinica, Beifing, China
H. Penrose Mathematics Department, Oxford University, Oxford, England
G. Peres Astronomical Observatory of Palermo, Italy
Z. Perjes Hungarian Academy of Sciences, Central Research Institute for Physics, Budapest, Hungary
G. Perola Astronomy Department, University of Rome, Italy
M. Persic International Centre for Theoretical Physics, Trieste, Italy
S. Persides Astronomy Department, University of Thessalonika, Greece
P. Peterle CEA, Service CEM, Bruyeres-Le-Chatel, France
O P1mentel Department of Gravitational Physics and Astrophysics, University Auronoma Metropolitana, Mexico
I. Pinto Electronics Department, University of Naples, Italy
T. P1han Racah Institute of Physics, Hebrew University Jerusalem, Israel, and Institute foi Advanced Study, Princeton, New Jersey, USA.
G. Pizzella Physics Department, University of Rome, Italy
G. Platini Physics Department, University of Naples, Italy
D. Pclanski School ofphysics and Astronomy, Tel-Aviv University, Israel
C.N. Pope Blackett Laboratory, Imperial College, London, England
G. Phodi Physics Department, University of Trento, Italy
G. Pucacco Physics Department, University of Rome, Italy
G. Pujana Physics Department, University del Pais Vasco, Bilbao, Spain
A.Qadir MathematicS Departmel7t, Cuaid-a-Azam University, Islamabad, PakistanB. QUERVEDO, Institute for Theoretical Physics, University of KoIn, West Germany
M. Haficue Mathematics Department, Cuald-lAzam University, Islamabad, Pakistan
S. Hanjbar-Daemi Institute for Theoretical Physics, University of Bern, Switzerland
P. Rapaghiani Physics Department, University of Rome, Italy
M.J. Heboucas School of Mathematical Sciences, Oueen Mary College, London, England
F. Recano University of Naples, Italy
T. Regge Physics Department, University of Turin and National Institute for Nuclear Physics (INFN), Turin, Italy
J. Reynolds Louisiana State University, Ba tan Rouge, Louisiana, U.S.A.
H Riazuddin Physics Department, University of Petroleum and Minerals, Dhahran, Saudi ArabiaF. RICCI, Physics Department, University of Rome, and National Institute for Nuclear Physics (INFN), Rome, Italy
J.P. Richard Department of Physics and Astronomy, University of Maryland, College Park, Maryland, USA.
I.W. Robbins Jr., Atherton, California, USA.
A. Roca Department of History of Science, Institute of Studies Catalans, Barcelona, Spain
K. Roscuist Institute of Theoretical Physics, Stockholm, Sweden
G. Rossi Physics Department, University of Rome, Italy
A. Rudiger Max Planck Institete, Munich, West Germany
H. Ruffini Physics Department, University of Ro, ne, Italy
H. Rumpf Institute for Theoretical Physics, University of Vienna, Austria
A. Sagnotti Physics Department, University Tor Vergata, Rome, Italy, and Lawrence Berkeley Laboratory. University of California, Berkeley, California, USA.
D. Sahdev International Centre for Theoretical Physics, Trieste, Italy
E.H. Sal DI Physics Department, Faculty of Sciences, Rabat, Morocco
A. Salam Director, International Centre for Theoretical Physics, Tries te, Italy
F. Salmistrano National Institute for Nuclear Physics (INFN), Pavia, Italy
P. Salucci Department of Higher Physics, Florence, Italy
N. Sanchez Department of Fundamental Astrophysics, Meudon Observatory, Paris, France
S. Sanguinetti University of Milan, Italy
P. Santange Lo Physics Department, University Tor Vergata, Rome, Italy
M. Sasaki Physics Department, Kyoto University, Kyoto, Japan
G. Schaefer University of Constance, West Germany
J. Schneider Meudon Observatory, Paris, France
L. Schnupp Max Planck Institute, Munich, West Gerinany
S.M. Scott Department of Mathematical Physics, University of Adelaide, South Australia
P. Scudellaro Physics Department, University of Naples, ItalyA. SEBESTYEN, Hungarian Academy ofSciences, Central Research Institute for Physics, Budapest, Hungary
0. Shoemaker Max Planck Institute, Munich, West Germany
0. Sijaki  Physics Institute, Belgrade, Yugoslavia
H. Siroussezia Physics Laboratory, Institute Henri Poincare', Paris, France
J. Skea Astronomy Center, University ofSussex, Brighton, England
A.W. Smith International Center for Theoretical Physics, Trieste, Italy
0. Scares Centro Brasilefro des Pesquisas Fisicas, Rio de Janeiro, Brazil
M. Soffel University of Tubingen, West Germany
M.M. Som Physics Department, University Federal, Rio de Janeiro, Brazil
D.J. Song Physics Department, University of Rome, Italy
E. Spalucci Institute of Theoretical Physics, Trieste, Italy
H. Spero California Institute of Technology, Pasadena, California, U.S A.
P. Srivastava Centro Brasilefro des Pesquisas Fisicas, Rio de Janeiro, Brazil
J. Stachel Physics Department and Center for Einstein Studies, Boston University, Boston, Massachusetts, USA.
H. Stark Center for Radiophysics and Space Research, Cornell University, Ithaca, New York, USA.
G. Stazi Mathematics Department, Institute Guido Castelnuovo, Rome, Italy
A. Stefanini
M. Stella Physics Department, University of Rome, Italy
W.H. Stoeger Specola Vaticana, Castel Gandolfo, Rome, Italy
C. Stornaiolo Physics Department, University of Naples, Italy
G. Strini  Physics Department, University of Milan, Italy
A. Strominger Institute for Advanced Study, Princeton, New Jersey, U.S A.
R.A. Sussmann School of Mathematical Sciences, Cueen Mary College. London, England
L. Szabados Hungarian Academy for Sciences, Central Research Institute for Physics, Budapest, Hungary
G. Szamosi  Physics Department, University of Windsor, Ontario, Canada
M. Tamburrano University of Lecce, Italy
P. Tataru-Mihai Center for Theoretical Physics. Weinheim, West Germany
G.E. Tauber Department ofphysics and Astronomy, Tel-Aviv University, Israel
M. Tavani Physics Department, Columbia University. New York, U.S A.
P. Temi  Physics Department, University of Rome, Italy
M. Testa National Institute for Nuclear Physics (INFN). Rome, Italy
P. Teyssandier Laboratory for Theoretical Physics, Institute Henri Poincare', Paris, France
S. Thornburn Stanford University, Stanford, California, USA.
A. Tinto Mathematics Department, University of Cardiff Wales
J. Tiomno Centro Brasilefro des Pesquisas Fisicas, Rio de Janeiro, Brazil
A. Toller University of Trento, Italy
P. Tombesi Physics Department. University of Rome, Italy
K. Tomita Research Institute for Theoretical Physics, Hiroshima University, Japan
A. Trautman Institute of Theoretical Physics. University of Warsaw, Poland
A. Treves Physics Department, University of Milan, Italy
H. Turneaure Stanford University, Stanford, California, USA.
G. Vaiana Astronomical Observatory of Palermo, Italy
M. Van Der Klis Space Science Department, European Space Agency, ESTEC, Noordwilk, The Netherlands
P. Van Nieuwenhuizen Theory Division, CERN, Geneva, Switzedand
L. Vanzo Physics Department, University of Trento, Italy
G. Venturini Physics Department, University of Bologna, Italy
H.A. Vera Physics Department, University tie Concepcion, Concepcion, Chile
H. Vergara-Cafarelli Physics Department, University of Pisa, Italy
R. F. C. Vessot Smithsonian Astronomical Observatory. Cambridge, Massachusetts, USA.
J.Y. Vi Net Laboratory of Appiled Optics, Ecole Poly technique, ENS TA, Palaiseau, France
N. Virgopia Physics Department, University of Rome, Italy
S. Vitale Physics Department, University of Tren to, Italy
N. Vittorio Astronomy Department, University of California, Berkeley, California, U.SA.
Mian WANG Physics Department, Xinxiang Teachers College, Xinxiang, Henan, China
Yong-Jiu Wang Physics Department, Changsha Railway Institute, Changsha, Hunan, China
H. Ward Physics Department, University of Glasgow, Scotland
J. Weber Department of Physics and Astronomy, University of Maryland, College Park, Maryland, U.S A., and University of California, Irvine, California, U.S A.
B. Weiss Physics Department, Massachusetts Institute of Technology. Cambridge, Massachusetts, U.S A.
B. Whiting Physics Department, University of North Carolina, Chapel Hill, North Carolina, U.S A.
H. Williams Department of Applied Mathematics and Theoretical Physics, University of Cambridge, and Girton College, Cambridge. England
W. Winkler Max Planck Institute, Munich, West Germany
K. Wood Naval Research Laboratory, Washington. D.C., USA.
P. Worden Physics Department, Stanford University, Stanford, California, USA.
Xuo Ping Xiang Physics Department, University of Rome, Italy
H. Yilma , Hamamatsu Photonics, K.K. Hamamatsu City, Japan, and Electro-Optics Technical Center, Tufts University. Meriford, Massachusetts, U.S.A.
J. York Physics Department, University of North Carolina, Chapel Hill, North Carolina, U.S A.
Yunquiang YU International Centre for Theoretical Physics, Trieste, Italy
S. Zerbini Physics Department, University of Tren to, Italy