La  galaxia no responde
Subtitle: introducción a la exobiología
By: Gilberto Moreno Castañeda.
Publisher: Universidad de Guadalajara; Distribuido por el Fondo de Cultura Económica
Published: 1974
Place of publication: [Guadalajara]; [Mexico City?]
Language: spa
Number of pages: 437
Subjects: Life on other planets.
Notes: Date on t.p.: 1973.