Zum Geleit (Die Ypsilon-Spirale)

From Author Wars - https://authorwars.com/books/zum-geleit-die-ypsilon-spirale-2180755.html

Overview:

Title: Zum Geleit (Die Ypsilon-Spirale)
Author: Edwin Orthmann
Year: 1973
Type: Essays

Editions/Publications:

Unknown. Die Ypsilon-Spirale (Unknown, Edwin Orthmann, Neues Leben, M 9.40, 515 pages, Hardcover, Anthology)