00427nam a2200157Ia 4500008004100000020001500041041001200056082001600068100001700084245009200101250000800193260003400201300000800235650000800243700001800251221030s9999    xx            000 0 und d  a8172245317  aEnglish  a105.23bZie  aR. E. Ziemer 0aPrinciples of Communication Systems, Modualtion & Noisecby R. E. Ziemer, W. H. Tranter  a3rd  bJaico Pub HouseaMumbaic2001  a812  aECE  aW. H. Tranter