000			00297nam a2200133Ia 4500
100			_aProakis, John G
020			_a0-07-113814-5
250			_a3rd ed
942			_cBK
245			_aDigital communications
260			_aMcGraw - Hill, New York _c1995
082			_a621.381 Pro
300			_axxi,928p
999			_c22529 _d22529