Geheimcode Alpha

From Author Wars - https://authorwars.com/books/geheimcode-alpha-2100294.html

Overview:

Title: Geheimcode Alpha
Author: Uwe Anton
Year: 1986
Type: Short Fiction
Series: Star Gate – Tor zu den Sternen
Number in Series: 4

Variant Titles:

1986. Geheimcode Alpha