000 00252nam a22001097a 4500
100 _aRAMASWAMI RAJIV
245 _aOPTICAL NETWORKS A PRACTICAL PERSPECTIVE
250 _a2 ND
260 _aNEW DELHI
_bELSEVER
_c2008
300 _b831P
942 _cBK
999 _c10193
_d10193