000 00256nam a2200109Ia 4500
100 _aTAUB, HERBERT
110 _aSCHILLING, DONALD L
245 _aPRINCIPLES OF COMMUNICATION SYSTEMS
260 _bTATA MCGRAW HILL
_c2000
300 _a759
942 _2ddc
_cSC
999 _c77123
_d77123