Le dossier des civilisations extra-terrestres
By: [par] François Biraud et Jean-Claude Ribes.
Contributors: Ribes, Jean-Claude, 1940-
Publisher: Fayard
Published: 1970
Place of publication: [Paris]
Language: fre
Number of pages: 238
Subjects: Life on other planets.; Astronomy.; Interstellar communication.
Notes: Bibliography: p. [237]-238.