00503nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001700084100002500101245005800126260003800184300001500222650001500237650002300252650002900275650001700304IN-BaIIA211028s9999    xx            000 0 eng d  a0-471-12580-6  cIIA Library  a524.882bPIC  aPickover, Clifford A 0aBlack holesba traveler's guidecClifford A. Pickover  aNew YorkbJohn Wiley & Sonsc1996  axiv, 210p.  aBlackholes  aGravitational lens  aMathematical black holes  aQuantum foam