Titan 4

From Author Wars - https://authorwars.com/books/titan-4-1706929.html

Overview:

Title: Titan 4
Author: Frederik Pohl Wolfgang Jeschke
Year: 1977
Type: Anthologies
Series: Titan 1-5

Editions/Publications:

Unknown. Titan 4 (Unknown, Frederik Pohl, Heyne, ISBN-10: 3453304268, DM 3.80, 142+[1] pages, Paperback, Anthology)
Unknown. Titan 4 (Unknown, Wolfgang Jeschke, Heyne, ISBN-10: 3453304268, DM 3.80, 142+[1] pages, Paperback, Anthology)