000 00320nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aCHA-P6
_b530
100 _aChalapathi Rao, R
245 0 _aPhysics: Light
250 _a6
260 _a New Delhi
_bCommercial Book Company
_c1978
650 _aPhysics
942 _cBK
999 _c36676
_d36676