00342nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001300084245005700097260003700154300000900191650000800200221030s9999    xx            000 0 und d  a817684019X  aEnglish  a105.23bSin  aU. Sinha 0aPrinciples of Communication Engineeringcby U. Sinha  bSatya PrakashanaNew Delhic2002  a1282  aECE