Letter (Perry Rhodan #541)
From Author Wars - https://authorwars.com/books/letter-perry-rhodan-541-1969859.html
Editions/Publications:
- 1972 . Perry Rhodan, #541: Im Banne des Panikfeldes (1972, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)
- 1972 . Perry Rhodan, #307: Die Macht der Gläsernen (1972, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)