Perry Rhodan, #23: Geheimschaltung X

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Overview:

Title: Perry Rhodan, #23: Geheimschaltung X
Author: uncredited
Year: 1973
Publisher: Pabel-Moewig
Price: DM 1.20
Pages: 68
Binding: digest
Type: MAGAZINE
Title Reference: Perry Rhodan, #23: Geheimschaltung X
Notes: "Juli 1973" is stated in the copyright section on p. 65.
Day of publication from issue #620 of the parallelly published '1. Auflage' (but see that issue for a remaining uncertainty).
Pp. 2 and 66-68 are ad pages.
Bruck is credited at Perrypedia.