I nostri amici extra-terrestri
By: [di] Germana Grosso, Ugo Sartorio.
Contributors: Sartorio, Ugo, 1931- joint author.
Series: Mondi sconosciuti ;; 38
Publisher: MEB
Published: 1977
Place of publication: Torino
Language: ita
Number of pages: 229
Subjects: Civilization, Ancient -- Extraterrestrial influences.