00473nam a2200157Ia 4500008004100000020001500041082001800056100002000074245005800094250000800152260006000160300002700220500001900247600003400266650001500300240925s9999    xx            000 0 und d  a8131703096  a621.38275 SEN  aSenior ,John M. 0aOptical Fiber Communications: principles and practice  a2nd  aNew Delhi:bNew Age International (Pvt) Limitedc,1992.  aix,446p.bNAfOriginal  aIncludes Index  aTelecommunication Engineering  aTechnology