00362nam a2200145Ia 4500100003400000650002600034250000600060366000700066654001800073245004000091260004400131082002100175300000800196546001200204  aTaub /Herbert/ Schilling/D.L   aCommunication systems  a2  f20  acommunication  aPrinciples of communication systems  bTata Mc Graw hill Ltd.aNew Delhic1986  a621.382/TAUbTAU  a759  aENGLISH