Una questione di istinto

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Overview:

Title: Una questione di istinto
Author: Eric Frank Russell
Year: 1965
Type: Short Fiction

Editions/Publications:

Unknown. Millemondinverno 1978: 2 romanzi e 7 racconti di Eric Frank Russell (Unknown, Eric Frank Russell, Mondadori, Lit 2,500, 396 pages, Trade Paperback, Omnibus)
1965 . Urania #405 (1965, Eric Frank Russell, Mondadori, Lit 200, 128 pages, digest, MAGAZINE)