00353nam a2200145Ia 4500008004100000041000800041082001500049100001200064245004000076250001200116260002800128300000800156365001600164700002700180230612s9999    xx            000 0 und d  aeng  a621.38 TAU  aTaub H.  aPrinciples Of Communication Systems  a2nd ed.  c1991bTata McGraw Hill   a759  cRs.b135.00  aTaub H. & Schilling D.