CRPE, CNET-CNRS, Issy-les-Moulineaux
R. Gendrin
The Astronomical Institute, Utrecht, Netherlands
O. Namba
Institute of Theoretical Physics, Utrecht, Netherlands
N. G. Van Kampen
The Astronomical Institute, Utrecht, Netherlands
Cornelis de Jager
University of Edinburgh, Scotland, UK
E. G. Forbes
Astronomical Observatory, Ondřejov, Czechoslovakia
J. Kleczek
Institute of Law Science, Utrecht, Netherlands
G. C. M. Reijnen
Center for Astrophysics, Cambridge, Massachusetts, USA
R. Genzel
Lab. for Macromolecular and Organic Chemistry, Heverlee, Belgium
G. Smets
Laboratory for Experimental Physics, Utrecht, Netherlands
R. Radelaar