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The Drake Equation (Estimating the Prevalence of Extraterrestrial Life through the Ages) || Length of time such civilizations release detectable signals into space, L, pre-1961
Vakoch, Douglas A., Dowd, Matthew F., Drake, FrankVolume:
10.1017/CB
Year:
2015
Language:
english
DOI:
10.1017/cbo9781139683593.016
File:
PDF, 10.78 MB
english, 2015