000 00271nam a22001217a 4500
020 _a9788131703090
082 _a621.38275
100 _aJOHN.M, SENIOR
245 _aOPTICAL FIBER COMMUNICATION
260 _aNEW DELHI
_bPEARSON
_c2008
300 _a921 P
942 _cBK
999 _c11099
_d11099