NAME | INSTITUTE | TELEPHONE | |
| G.D. van Albada | WINS,PWR&S,U.v.A'dam | 020 - 525 7534 | |
| P.J.T. Bruinsma | NIKHEF, Amsterdam | 020 - 592 2057 | |
| H. BoerRookhuizen | NIKHEF, Amsterdam | 020 - 592 2054 | |
| J. Flokstra | Univ. Twente,Enschede | 053 - 489 3123 | |
| G. Frossati | Kamerlingh Onnes Lab., R.U. Leiden, P.O. box 9506, 2300 RA Leiden | 071 - 527 5469 | |
| H. van der Graaf | NIKHEF, Amsterdam | 020 - 592 5092 | |
| E. v.d. Heuvel | Vakgr. Sterrenkunde, Un. Van Amsterdam | 020 - 525 7493 | |
| J.W. van Holten | NIKHEF, Amsterdam | 020 - 592 5131 | |
| P. Hoyng | Lab. v. Ruimteonderzoek, Sorbonneln. 2, 3584 CA Utrecht | 030 - 253 5726 | |
| F.B.Kroes | NIKHEF, Amsterdam | ||
| J.B.van der Laan | NIKHEF, Amsterdam | ||
| F.L. Linde | NIKHEF, Amsterdam | 020 - 592 5134 | |
| R. Maas | NIKHEF, Amsterdam | ||
| G.J. Nooren | NIKHEF, Amsterdam | 020 - 592 2144 | |
| J. Oberski | NIKHEF, Amsterdam | ||
| H. Rogalla | Fac Techn Natk. Univ. Twente, Pob 217, 7500 AE, Enschede | 053 - 489 3120 | |
| A. Spallicci | Kamerlingh Onnes Lab., Dept. Phys. Astron., Univ. Leiden
-and- Gravitation Research group, Univ. Salerno | 071 - 5275576 | |
| A. de Waele | TUE-N-laag, Pob 513, 5600 MB Eindhoven |