00369nam a2200145Ia 4500008004100000041000800041082001700049100001700066245006000083250001200143260002700155300000800182365001600190700001700206230718s9999    xx            000 0 und d  aeng  a621.382bFRE  aFrenzel L.E.  aCommunication Electronics bPrinciples and Applications  a3rd ed.  c2004bTata McGraw-Hill  a532  cRs.b250.00  aFrenzel L.E.