00331nam a2200109Ia 4500008004000000082001600040100003000056245004700086260005400133300001200187650002200199210210b1969   xxu||||| |||| 00| 0 eng d  a530.11 BERI  aBERGMANN (Peter Gabriel).  aIntroducation to the theory of relativity.  aN DbPrentice-Hall of India Private Limitedc1969  axvi,287  aTheory relativity