Planet Venus — ein veränderlicher Stern?

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Overview:

Title: Planet Venus — ein veränderlicher Stern?
Author: uncredited
Year: 1974
Type: Essays

Editions/Publications:

1974 . Duell der Geister (1974, uncredited, Astro (Germany), DM 1.50, 63 pages, digest, Chapter Book)
1974 . Das Vermächtnis der Tyraner (1974, uncredited, Astro (Germany), DM 1.50, 63 pages, digest, Chapter Book)