Perry Rhodan, #818: Die Gravo-Schleuse

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Overview:

Title: Perry Rhodan, #818: Die Gravo-Schleuse
Author: Johnny Bruck
Year: 1977
Type: Cover Art

Editions/Publications:

1977 . Perry Rhodan, #818: Die Gravo-Schleuse (1977, Johnny Bruck, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)
1981 . Perry Rhodan, #818: Die Gravo-Schleuse (1981, Johnny Bruck, Pabel-Moewig, DM 2.00, 68 pages, digest, MAGAZINE)