000			00391nam a2200157Ia 4500
005			20250829161658.0
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			_c43578 _d43578