000 00328nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aTHE-M15
_b539
100 _aTheraja, B L
245 0 _aModern physics
250 _a15
260 _a New Delhi
_bS Chand & Company Pvt. Ltd.
_c1985
650 _aModern physics
942 _cBK
999 _c31199
_d31199