000 00254nam a2200097 4500
245 _aIntroduction to general relativity
_cS.K. BAsu
100 _aBasu, S.K.
260 _aNew Delhi
_bWiley Eastern
_cc1980
300 _axii,120p.; 23cm.
082 _a530.11
_bBAS
999 _c63801
_d63801