Ufos über der Erde
From Author Wars - https://authorwars.com/books/ufos-uber-der-erde-1521221.html
Overview:
- Title: Ufos über der Erde
- Author: Robert Silverberg
- Year: 1968
- Type: Novels
Editions/Publications:
- 1968 . Ufos über der Erde (1968, Robert Silverberg, Moewig, DM 2.40, 156 pages, Paperback, Novel)
- 1973 . Ufos über der Erde (1973, Robert Silverberg, Pabel-Moewig, DM 1.20, 66 pages, digest, Novel)