000 00319nam a22001337a 4500
999 _c1561
_d1561
020 _a9780195687057
082 _a621.38275
100 _aAmnon Yariv & Pochi Yeh
245 _aPhotonics optical electronics in modern communications
250 _a6th
260 _aNew Delhi
_bOxford
_c2009
300 _a836
942 _cBK