00369nam a2200145Ia 4500008004100000020001800041041000800059082001600067100001700083245004200100260002800142300000800170365001600178700002900194230718s9999    xx            000 0 und d  a9788131705735  aeng  a621.38bPRO  aProakis J.G.  aFundamentals Of Communication Systems  c2005bPearson Education  a858  cRs.b550.00  aProakis J.G. & Salehi M.