Perry Rhodan, #600: Die unsichtbare Grenze

From Author Wars - https://authorwars.com/publications/perry-rhodan-600-die-unsichtbare-grenze-634186.html

Overview:

Title: Perry Rhodan, #600: Die unsichtbare Grenze
Author: uncredited
Year: 1977
Publisher: Pabel-Moewig
Price: DM 1.50
Pages: 68+[4]
Binding: digest
Type: MAGAZINE
Title Reference: Perry Rhodan, #600: Die unsichtbare Grenze
Notes: "August 1977" is stated in the copyright section on p. 65.
Day of publication from the weekly schedule.
'Leserkontaktseite' takes two pages.
The [4] extra pages contain an ad for the new cycle of the 'Atlan' series that would begin with #300. They are staplebound between pp. 34 and 35 of the magazine.
Pp. 2 & 67 are blank, pp. [1]-[4], 59, 66 and 68 are ad pages.
Bruck is credited at Perrypedia.