000			00502nam a2200121Ia 4500
008			130131s9999 xx 000 0 und d
100			_aFitzGerald, Jerry
245			_aBusiness data communications and networking / Jerry FitzGerald, Alan Dennis.
250			_a6th ed.
260			_bNew York : John Wiley & Sons, c1999. _aNewYork:JohnWiley&Sons,c1999
300			_axx, 491 p. : ill. (some col.), maps ; 24 cm.
650			_aData transmission systems. Computer networks. Office practice--Automation.
999			_c32800 _d32390