000 00424cam a2200181ua 4500
020 _c7.50
041 _aeng
_h
082 _a530
_bHAR/PRq
100 _aHarnam Singh, .
245 _aPractcial physics /
_cHarnam Singh.
_hTextual Documents
250 _a2 /
_b.
260 _aNew Delhi :
_bS.Chand and Co ,
_c1962.
300 _a431 ; .
365 _a7.50
504 _a
942 _cBK
999 _c7519
_d7519