00548nam a2200169Ia 4500003000900000008004100009040001600050080001500066245009700081260006800178300001400246650003400260650001900294650001900313700002400332700002200356IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52-37bTHE 4aThe search for extraterrestrial intelligence (SETI)cedited by P. Morrison and J. Billingham  aWashingtonbNational Aeronautics and Space Administrationc1977  axv, 276p.  aExtraterrestrial intelligence  aNASA Thesaurus  aOrigin of life  aBillingham, J., ed.  aMorrison, P., ed.