In eigener Sache (Perry Rhodan #1600)

From Author Wars - https://authorwars.com/books/in-eigener-sache-perry-rhodan-1600-2095900.html

Overview:

Title: In eigener Sache (Perry Rhodan #1600)
Author: Kurt Mahr
Year: 1992
Type: Essays
Series: Perry Rhodan Computer
Number in Series: 725

Variant Titles:

1992. In eigener Sache (Perry Rhodan #1600)