00756nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001500084100003200099245009700131260003500228300001000263650003400273650004100307650004900348700002200397942000700419999001500426952009700441IN-BaIIA211028s9999    xx            000 0 eng d  a0-395-17809-6  cIIA Library  a52-37bPON  aPonnamperuma, Cyril A98785 0aInterstellar communicationbscientific perspectivescC. A. Ponnamperuma and A. G. W. Cameron  aBostonbHoughton Mifflinc1974  a226p.  a Extraterrestrial life98786  a Interstellar communication 98787  aAstronomy and astrophysics thesaurus 91143  aCameron, A. G. W.  cBK  c4903d4903  00104070aBANbBANcGENd1976-08-23l0o52-37/ PONp5487r2021-11-05w1976-08-23yBK 6.50