00675nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001700084100002800101245011400129260004100243300001000284650004100294650002200335942000700357999001500364952010200379IN-BaIIA211028s9999    xx            000 0 eng d  a0-446-93677-4  cIIA Library  a524.882bSUL  aSullivan, Walter912587 0aBlack holesbthe edge of space, the end of timecWalter Sullivan                                               aU.S.AbA Warner Communicationsc1979  a350p.  aAstronomy and astrophysics thesaurus  aBlack holes97728  cBK  c7344d7344  00104070aBANbBANcGENd1983-05-09l0o524.882/ SULp8151r2021-11-05w1983-05-09yBKG£ 2.20