000 00288nam a2200109Ia 4500
008 170821s017 xx 000 0 und d
100 _aSharma,b.m.
245 0 _aPhysics Iit Jee Waves And Then Modignamks
260 _bGeneral Learning Delhi
_c2011
300 _a1120
942 _2ddc
_cBK
_01
999 _c500077
_d500077