00776nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001500084245012700099260003500226300001400261650004100275650003200316650002500348700003300373700003200406942000700438999001500445952009800460IN-BaIIA211028s9999    xx            000 0 eng d  a0-08-026342-9  cIIA Library  a52-37bEXT 0aExtraterrestrials where are they?cedited by Michael H. Hart and Ben Zuckerman                                              aNew YorkbPergamon Pressc1982  aix, 182p.  aAstronomy and astrophysics thesaurus  aExtraterrestrial life94250  aOrigin of life93519  aHart, Michael H., ed.912564  aZuckerman, Ben., ed.912565  cBK  c7329d7329  00104070aBANbBANcGENd1983-04-07l0o52-37/ EXTp8136r2021-11-05w1983-04-07yBK 22.50