00358nam a2200145Ia 4500008004100000041000800041082002000049100001600069245005700085250001200142260001800154300000800172365001600180700001600196230718s9999    xx            000 0 und d  aeng  a621.382'75bSAR  aSarkar S.K.  aOptical Fibres And Fibre Optic Communication Systems  a4th ed.  c2007bS.Chand  a440  cRs.b135.00  aSarkar S.K.