000 00254nam a2200121Ia 4500
100 _aTheraja, B. L
020 _a81-219-0163-4
942 _cBK
245 _aModern physics
260 _aS Chand, New Delhi
_c1996
082 _a530 The
300 _a(v),422
999 _c35377
_d35377