000 00294nam a2200133Ia 4500
100 _aShanmugam/Sam K
942 _cBK
654 _adigital
245 _aDigital and Analog communication system
260 _bJohn Wiley
_c1985
082 _a621.382
_bSHA
300 _a600
546 _aENGLISH
999 _c19419
_d19419