000 00439nam a2200193Ia 4500
008 220902s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.382
082 _bGHA
100 _aGHATAK, AJOY
245 0 _aOPTICS.
250 _a6TH ED.
250 _b2017
260 _aNEW DELHI
260 _bMCGRAW HILL EDUCATION (INDIA ) PVT. LTD.
260 _c2017
650 _a  OPTICS
942 _cREF
999 _c157021
_d157021