00450nam a2200157Ia 4500008004100000020001800041082001600059100002000075245002700095250000800122260007000130300002400200500001900224600003400243650001500277240925s9999    xx            000 0 und d  a9789353163020  a621.382 PRO  aProakis, John G 0aDigital Communications  a5th  aNew Delhi:bMcGraw Hill Education (India) Private Limitedc,2008.  a209p.bNAfOriginal  aIncludes Index  aTelecommunication Engineering  aTechnology