000 00340nam a2200133Ia 4500
100 _aGHATAK A K and THYAGARAJAN K
650 _aOptical Electronics
365 _cRS
365 _d1
942 _cENGBK
245 _aOptical Electronics
260 _bFoundation books combridge
_c1991
_aMas Saikia For Foundation Books
300 _aXII+624 PP
999 _c17944
_d17944