Achtung, SF-Fans!: Perry Rhodan Weltcon '80
From Author Wars - https://authorwars.com/books/achtung-sf-fans-perry-rhodan-weltcon-80-2722012.html
Overview:
- Title: Achtung, SF-Fans!: Perry Rhodan Weltcon '80
- Author: Udo Thiedeke
- Year: 1980
- Type: Essays