Ringworld

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Overview:

Title: Ringworld
Author: Franz Rottensteiner
Year: 1972
Type: Reviews

Editions/Publications:

Unknown. Science Fiction Times, #128 (Unknown, Franz Rottensteiner, Arbeitsgemeinschaft Spekulative Thematik, DM 3.00, 116 pages, A5, MAGAZINE)
Unknown. Science Fiction Times, #128 (Unknown, Larry Niven, Arbeitsgemeinschaft Spekulative Thematik, DM 3.00, 116 pages, A5, MAGAZINE)