@book{215088,
	author = {Peterson, Larry L. and Davie, Bruce S.},
	title = {Computer networks : a systems approach (EBOOK)},
	publisher = {Morgan Kaufmann,},
	year = {c2007.},
	address = {Amsterdam ;},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0704/2006102454-d.html}
}