3 treff

Astrobiology : origins from the big-bang to civilisation : proceedings of the Iberoamerican School of Astrobiology, Caracas, Venezuela, 28 November-8 December 1999
Iberoamerican School of Astrobiology
Bok Engelsk 2000
Signale von anderen Welten : die wissenschaftliche Suche nach außerirdischer Intelligenz
Frank Drake und Dava Sobel ; aus dem Amer...
Bok Tysk 1994
Is anyone out there? : the scientific search for extraterrestrial intelligence
by Frank Drake and Dava Sobel
Bok Engelsk 1993