000			00362nam a2200145Ia 4500
020			_a0-20-946172-3
082			_a658.45 _bSTB
100			_aStallings, William _95354
245			_aBusiness data communications _c William Stallings
260			_aNew York: _bMacmillan, _c1990.
300			_axviii,796p.
500			_aIncludes index
546			_aeng
942			_cBK
999			_c22620 _d22620