"An anthology of writings by Isaac Asimov, Arthur C. Clarke, Gregory Benford, Hal Clement, and others which speculate on the question of life on other planets."@en . "First contact the search for extraterrestrial intelligence" . . . "First contact : the search for extraterrestrial intelligence"@en . "First contact : the search for extraterrestrial intelligence" . . . . . . "Major scientists involved in the search for extraterrestrial intelligence, explain their work and consider philosophical questions." . . . . . . . . . "espace extraterrestre vie [études diverses]" . . . .