000 00356 a2200145 4500
999 _c35944
_d35944
003 WUSLLib
008 201006b ||||| |||| 00| 0 eng d
082 _a530
_bSIN
100 _aSingh, Harnam
_919633
245 _aPractical physics
260 _aNew Delhi:
_bS.Chand,
_c1957
300 _axvi, 498p.;
_c21cm.
650 _aPhysics
_93309
942 _cPR
_2ddc