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