Was wäre, wenn ...

From Author Wars - https://authorwars.com/books/was-ware-wenn-3356076.html

Overview:

Title: Was wäre, wenn ...
Author: Andreas Mang
Year: 1988
Type: Short Fiction
Series: Perry Rhodan Universe (alternate versions)

Editions/Publications:

1988 . Perry Rhodan, #1405: Die Erben der Posbis (1988, Andreas Mang, Pabel-Moewig, DM 2.20, 68 pages, digest, MAGAZINE)
1988 . Perry Rhodan, #808: Chaos auf Lusamuntra (1988, Andreas Mang, Pabel-Moewig, DM 2.20, 68 pages, digest, MAGAZINE)