000 00416nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a530 N11
100 _a"Nageswara Rao, R "
245 0 _aUGC Net/set Physical Sciences
260 _aU.P
260 _b Deepak Series
260 _c2017
365 _b845
942 _cBK
999 _c114870
_d114870