00350nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001600084245005000100250000800150260002500158300000800183650001300191221030s9999    xx            000 0 und d  a0070582718  aEnglish  a105.23bSmi  aJ. R. Smith 0aModern Communication Circuitscby J. R. Smith  a2nd  bTMHaNew Delhic2003  a577  aECE & EE