@book{15493,
	author = {FitzGerald, Jerry, and Dennis, Alan.},
	title = {Business data communications and networking /},
	publisher = {John Wiley & Sons,},
	year = {1999.},
	address = {New York :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/onix05/98018875.html}
}