00426nam a2200157Ia 4500008004100000020001800041082001600059100002000075245002600095250000800121260004900129300002900178500001900207600002700226650001500253240925s9999    xx            000 0 und d  a9788131803332  a621.382 YAD  aYadav, Abhishek 0aDigital Communication  a1st  aBangalore:bUniversity Science Pressc,2008.  axxi,584p.bN.AfOriginal  aIncludes Index  aEngineering Technology  aTechnology