000 00248nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aGHATAK (AJAY) & THYAGRAJAN (K)
245 0 _aOPTICAL ELECTRONICS
260 _bCAMBRIDGE UNIVERSITY
942 _2ddc
999 _c95693
_d95693