00354nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001600084245005900100250000800159260002500167300000800192650000800200221030s9999    xx            000 0 und d  a8120308506  aEnglish  a105.23bRod  aM. S. Roden 0aAnalog & Digital Communication systemscby M. S. Roden  a3rd  bPHIaNew Delhic2001  a505  aECE