000 00283nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR.K .Singla
245 0 _aPractical Physics B.Sc. I
260 _aJalandhar
_bModern
_c2014
300 _a207
650 _aPhysics
942 _cBK
999 _c15034
_d15034