Perry-Rhodan-Lexikon Folge 258
From Author Wars - https://authorwars.com/books/perry-rhodan-lexikon-folge-258-1260913.html
Overview:
Editions/Publications:
- 1971 . Perry Rhodan, #539: Das Experiment der Cynos (1971, H. Scheer, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)