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