000 00285nam a22001337a 4500
999 _c1361
_d1361
020 _a9788131732663
082 _a621.38275
100 _aJohn M Senior
245 _aOptical fiber communications
250 _a3rd
260 _aNew Delhi
_bPearson
_c2013
300 _a1076
942 _cBK