@book{5550,
	author = {Comer, Douglas.},
	title = {Computer networks and internets },
	publisher = {Prentice Hall,},
	year = {c1997.},
	address = {Upper Saddle River, N.J. :},
	note = {"An Alan R. Apt book."},
	url = {http://www.netbook.cs.purdue.edu}
}