Base on Venus
From Author Wars - https://authorwars.com/books/base-on-venus-637469.html
Editions/Publications:
- Unknown. Perry Rhodan #4: Invasion from Space (Unknown, Kurt Mahr, Ace Books, $0.75, 187 pages, Paperback, MAGAZINE)
- Unknown. Invasion from Space (Unknown, Kurt Mahr, Futura, ISBN-10: 0860078051, £0.35, 187 pages, Paperback, Anthology)