000 00284nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aVimal Mehta & Others
245 0 _aPhysics :Fourth UGC-CSIR
260 _aN.D
_bPearson
_c2008
300 _a414
650 _aPhysics
942 _cBK
999 _c15015
_d15015