000 00380nam a2200169Ia 4500
001 aQ7681
008 220802s9999 xx 000 0 und d
020 _a81-219-2611-4
100 _a Subrahmanyam , N
245 2 _aA Text Book of Optics
250 _a.NA
260 _c2008
300 _a668
600 _aElectronic Engineering
650 _aTechnology
942 _bBooks
_cBK
999 _c9407
_d9407