00614nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001500084245012800099250001200227260004800239300001500287650002600302650001200328650003100340700002600371700002300397IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-44335-0  cIIA Library  a52-37bEXT 0aExtraterrestrialsbwhere are they ?cedited by Ben Zukerman and Micheal H. Hart                                              a2nd ed.  aCambridgebCambridge University Pressc1995  axii, 239p.  aExtraterrestrial life  aGalaxy.  ainterstellar communication  aHart, Micheal H., ed.  aZukerman, Ben, ed.