Die Ypsilon-Spirale
From Author Wars - https://authorwars.com/books/die-ypsilon-spirale-2180754.html
Overview:
- Title: Die Ypsilon-Spirale
- Author: Werner Ruhner
- Year: 1973
- Type: Cover Art
Editions/Publications:
- Unknown. Die Ypsilon-Spirale (Unknown, Werner Ruhner, Neues Leben, M 9.40, 515 pages, Hardcover, Anthology)