000 00338nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aHAR-B5
_b530.028
100 _aHarnam Singh
245 0 _aBSc practical physics
250 _a5
260 _a New Delhi
_bS Chand & Company Pvt. Ltd.
_c1979
650 _aPractical physics
942 _cBK
999 _c5952
_d5952