000 00298nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS.K.Gupta & Others
245 0 _aMechanics & Electricity B. Sc. I,sem I
260 _aN.D
_bR.Chand
_c2015
300 _a347
650 _aPhysics
942 _cBK
999 _c14987
_d14987