00474nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002300095100002300118245004900141260004200190300001500232365001300247650003200260OSt20230428102231.0210423s2010    xx            000 0 und d  a9788120327818  cAL  aeng  a621.38275 KUMM223  aKUMAR (M Sathish).  aFundamentals of optical fibre communication.  aNew DelhibPHI Learning Pvt Ltdc2010  axi,200bPB  b195cINR  aElectronics & Communication