00323nam a2200121Ia 4500008004100000020001500041041001200056100002000068245006300088260003400151300000800185650000800193221030s9999    xx            000 0 und d  a8126536801  aEnglish  aK. S. Shanmugam 0aDigital & Analog Communication Systemscby K. S. Shanmugam  bWilley Pub.aNew Delhic20147  a600  aECE