00402nam a2200157Ia 4500008004100000020001500041041001200056082001600068100001700084245005400101250000800155260003900163300000800202650001600210700001800226221030s9999    xx            000 0 und d  a8178082969  aEnglish  a105.23bZie  aR. E. Ziemer 0aSignals & Systemscby R. E. Ziemer, W. H. Tranter  a4th  bPearson EducaitonaNew Delhic2004  a622  aBE Computer  aW. H. Tranter