00713nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001700084100002600101245011500127260003400242300001000276650004100286650002200327650002200349942000700371999001500378952011400393IN-BaIIA211028s9999    xx            000 0 eng d  a0-00-217138-4  cIIA Library  a524.882bBOS  aBoslough, John914479 0aBeyond the black holebStephen Hawking's universecJohn Boslough                                                aLondonbWilliam-Collinsc1985  a126p.  aAstronomy and astrophysics thesaurus  aAstrophysics9794  aBlack holes97728  cBK  c8624d8624  00104070aBANbBANcGENd1986-03-10l1o524.882/ BOSp9496r2024-05-07s2024-04-29w1986-03-10yBKG£ 7.95