University of California, Los Angeles
Miroslav Plavec
The Astronomical Institute, Utrecht
R. Hoekstra, C. De Jager, O. Namba, Jan Kuijpers, W. de Graaff, G. C. M. Reijnen, A. D. Fokker & H. G. van Bueren
Astronomical Institute of the Czechoslovak Academy of Sciences, Ondr⋖
Ji⋖´ Grygar
Tel-Aviv University, Ramat-Aviv, Israel
J. Otterman
Royal Netherlands Meteorological Institute, De Bilt, The Netherlands
H. M. van den Dool
Astronomical Institute, University of Utrecht/Holland, Utrecht, The Netherlands
C. J. Th. Gunsing
Coll`ge de France, Paris
Jean-Claude Pecker
Sterrewacht, Leiden
K. K. Kwee
Astronomical Institute, CSAV, Praha, Czechoslovakia
L. Perek
Dept. Natuurkunde, Univ. of Antwerpen, Belgium
D. Callebaut
Huygens Laboratory, Leiden, The Netherlands
B. Swanenburg
Institut d' Astrophysique, Universit´ de Li`ge, B-4200, Cointe-Ougr´, Belgium
N. Grevesse
The Astronomical Institute, Ond⋖ejov Czechoslovak Academy of Sciences, Czechoslovakia
J. Kleczek
Observatoire Royal de Belgique, 1180, Bruxelles, Belgique
P. P≙quet
Space Science Department of ESA, USA
D. Edgar Page
Space Research Dept., University of Groningen, Groningen, Germany
R. J. van Duinen
Astronomical Observatory, Ond⋖ejov, Czechoslovakia
J. Kleczek
ESO Scientific Group c/o CERN Geneva, Geneva, Switzerland
Franco Pacini