000 00247nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS.K.Gupta
245 0 _aFundamental of Physics B.Sc.III , 5th sem
260 _aN.D
_bR.Chand
_c2017
942 _cBK
999 _c15602
_d15602