000 00267nam a2200121Ia 4500
020 _a9788121903203
082 _a530 MUR/M
100 _aMurugeshan, R
245 0 _aModern Physics
260 _bS. Chand And Company
_aNew Delhi
_c1992
650 _aPhysics
942 _cBK
999 _c1669
_d1669