00325nam a2200121Ia 4500082001700000100002000017245004900037260003300086300002100119490005300140500000500193700000500198  a516bIs79.MD  aIsham, Chris J.  aModern differential geometry of Physicistsb  aSingaporebWorld Pressc1989  avii, 182p. Index  aWorld Scientific lecture notes in Physicsv v.32  a  a