000 00349nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
020 _a81 85618 100
082 _a621.381 045
_bGHA/OP
100 _aGHATAK, Ajay
100 _aTHYAGARAJAN, K.
245 0 _aOPTICAL ELECTRONICS
260 _bFoundation Books, New Delhi
_aNew Delhi
_c2004
942 _cBK
999 _c8804
_d8804