Perry Rhodan, #821: Die Gravo-Katastrophe

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Overview:

Title: Perry Rhodan, #821: Die Gravo-Katastrophe
Author: K. H. Scheer, William Voltz
Year: 1977
Publisher: Pabel-Moewig
Price: DM 1.50
Pages: 68
Binding: digest
Type: MAGAZINE
Title Reference: Perry Rhodan (1. Aufl.) - 1977
Notes: "Mai 1977" is stated in the copyright section on p. 62.
Day of publication from the weekly schedule.
'Leserkontaktseite' takes two pages.
Pp. 2 & 67 are blank, pp. 64-66 and 68 are ad pages.
Bruck is credited for the cover art and Mahr for the Perry Rhodan Computer at Perrypedia.
PR#820←PR#821→PR#822