00423nam a2200157Ia 4500008004100000020001800041082001600059100001900075245003000094250000800124260004700132300002500179500001900204600002700223650001500250240925s9999    xx            000 0 und d  a9789350141298  a621.382 SHA  aSharma, Sanjay 0aCommunication Engineering  a1st  aNew Delhi:bS.K. Kartaria and sonsc,2011.  a680p.bN.AfOriginal  aIncludes Index  aEngineering Technology  aTechnology