00517nam a2200181 a 450000500170000002000150001708200260003210000210005824500260007926000360010530000200014169000260016169000170018796400190020499700120022399900170023595200830025220251203091810.0  a0133194922  a621.38275GRE,bD, Gre  aE.Green Jr, Paul  aFiber optic networkds  aNew JerseybPrentice-Hallc1993  axxvi,514p, 24cm  aOptical communication  aFiber optics  bengcdefg_  a73422 C  c53103d53103  00104070aPUbPUd1998-04-08l0o621.38275GRE, D, Grep73422q1998-07-29yBK