000 nam a22 4500
999 _c132775
_d132775
082 _a621.38275 AGR-F
100 _aAgrawal Govind P,
245 _aFiber-Optic Communication Systems; 4th ed
250 _a4th
260 _aNew Delhi
_bWiley
_c2018
300 _a603
942 _2ddc
_cBK