000 00326nam a2200145Ia 4500
020 _a0000000000
082 _b3016
_a530
100 _a"NA"
245 0 _aPhysics
260 _bSay Publishing Pvt Limited
_aNew Delhi
_c1996
300 _a222
944 _cTR
999 _c631586
_d631586