00868nam a2200217Ia 4500003000900000008004100009020002200050040001600072080001500088245014300103260004800246300001600294650003500310650003300345650004700378700003300425700003500458942000700493999001700500952013300517IN-BaIIA211028s9999    xx            000 0 eng d  a978-1-107-07365-4  cIIA Library  a52-37bTHE 4aThe Drake equationbestimating the prevalence of extraterrestrial life through the agescedited by Douglas A. Vakoch and Matthew F. Dowd   aCambridgebCambridge University Pressc2015  axxii, 319p.  aExtraterrestrial beings936224  aLife on other planets912155  aScience - Life sciences - evolution936540  aDowd, Matthew F., ed.936541  aVakoch, Douglas A., ed.936542  cBK  c19138d19138  00104070aBANbBANcGENd2015-12-31eANJ   g5503.00l0o52-37/ THEp20060r2021-11-05v5503.00w2015-12-31yBKGRs. 5503.00