00425nam a2200145Ia 4500001001100000005001700011020002500028245008300053250001500136260003300151300002700184500003400211500002000245650001400265000002364220251012174651.0  a9780857501004 (pbk.)10aA brief history of timebfrom the big bang to black holescStephen W. Hawking   aBantam ed.  aLondonbBantam Books,c1989   axi, 241p.bill.c20cm.  aBantam edition reissued 2011   aIncludes index  0aCosmology