000 00246nam a22000977a 4500
082 _a371.262
_bTOM.U
100 _aTomar, Surekha
245 _aUpkar's CSIR-UGC NET/JRF/SET Physical Sciences
260 _aAgra
_bUpkar Prakashan
_c2017
942 _cBK
999 _c217509
_d217509