Perry Rhodan Leserkontaktseite (Perry Rhodan #20)
From Author Wars - https://authorwars.com/books/perry-rhodan-leserkontaktseite-perry-rhodan-20-2344456.html
Overview:
Editions/Publications:
- 1978 . Perry Rhodan, #20: Venus in Gefahr (1978, W. Voltz, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)