Perry Rhodan, #820: Das Gravitationsgefängnis

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Overview:

Title: Perry Rhodan, #820: Das Gravitationsgefängnis
Author: K. H. Scheer, William Voltz
Year: 1981
Publisher: Pabel-Moewig
Price: DM 2.00
Pages: 68
Binding: digest
Type: MAGAZINE
Title Reference: Perry Rhodan, #820: Das Gravitationsgefängnis
Notes: "November 1981" is stated in the copyright section on p. 63.
Day of publication from the weekly schedule.
'Leserkontaktseite' has two pages.
The essay in the middle of the magazine actually takes pp. 34 & 35.
Pp. 2 and 65-68 are ad pages.
Bruck & Mahr are credited at Perrypedia.