00682nam a2200217Ia 4500003000900000008004100009020001800050040001600068080002600084100002000110245011700130250001200247260004900259300002300308650004100331650001600372650001400388650003000402700001900432700001300451IN-BaIIA211028s9999    xx            000 0 eng d  a0-89072-015-0  cIIA Library  a524.834(082.2)bTEX-7  aBergmann, P. G. 0aRelativistic astrophysicscP. G. Bergmann, E. J. Fenyves and L. Motz                                              a7th ed.  aNew YorkbNew York Academy of Sciencesc1975  a[various pagings.]  aAstronomy and astrophysics thesaurus  aBlack holes  aCosmology  aRelativistic astrophysics  aFenyves, E. J.  aMotz, L.