by Baguhl, Michael, Gr n, Eberhard, Landgraf, Markus
Published in Space science reviews (01.10.1996)

by Gruen, Eberhard, Fechtig, Hugo, Hanner, Martha S., Kissel, Jochen, Lindblad, Bertil-Anders, Linkert, Dietmar, Maas, Dieter, Morfill, Gregor E., Zook, Herbert A.
Published in Space science reviews (01.05.1992)

by Gr n, Eberhard, Svestka, Jiri
Published in Space science reviews (01.10.1996)

by Gr n, Eberhard
Published in Space science reviews (01.04.1991)