@book{8204,
	author = {Walrand, Jean.},
	title = {Communication networks : a first course },
	publisher = {WCB/McGraw-Hill,},
	year = {c1998.},
	address = {Boston :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/mh023/97045604.html}
}