Zeitmaschinen nur gegen bar
From Author Wars - https://authorwars.com/books/zeitmaschinen-nur-gegen-bar-1847086.html
Editions/Publications:
- Unknown. Dunkle Sonne (Unknown, Gerd Frey, Shayol, ISBN-10: 3926126175, €12.80, 216 pages, Trade Paperback, Collection)
- Unknown. Alien Contact, Nummer 23 (Unknown, Gerd Frey, Edition Avalon, DM 5.00, 56 pages, digest, MAGAZINE)