000 00280nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a535
_bGHA/O
100 _aGHATAK, Ajay
245 0 _aOPTICS
260 _bTata McGraw-Hill Pub. Co. Ltd., New Delhi
_aNew Delhi
_c1982
942 _cBK
999 _c9426
_d9426