EXTRATERRESTRIAL INTELLIGENCE - The Copernican Principle and the Abundance of Extraterrestrial Civilizations
Journal of the British Interplanetary Society ; 54 , 11-12
2001
Aufsatz (Zeitschrift)
Englisch
Searching for extraterrestrial civilizations
NTRS | 1977
|Search for radio emissions from extraterrestrial civilizations
Elsevier | 1979
|