| Affiliation: | (1) Sterrekundig Instituut, Utrecht;(2) The Astronomical Institute, Utrecht;(3) Center for Astrophysics, Cambridge, Mass., USA;(4) Huygens Laboratory, University of Leiden, The Nertherlands;(5) Delft University of Technology, Holland;(6) Geophysical Institute, University of Alaska, 99701 Fairbanks, Alaska;(7) Institute for the History of Science, University of Utrecht, The Netherlands;(8) Indian Institute of Astrophysics, Kodaikanal 3, India;(9) Department of Astronomy, Catholic University, Nijmegen;(10) Institute of Astronomy, Cambridge, England;(11) Physics Laboratory, University of Utrecht, The Netherlands;(12) Astronomical Institute, Slovak Academy of Sciences, Bratislava;(13) Observatoire de Genève, Schweiz |
