@book{56670,
	author = {Louis, P. J. and ebrary, Inc.},
	title = {Telecommunications internetworking},
	publisher = {McGraw Hill,},
	year = {c2000.},
	series = {McGraw-Hill telecommunications},
	address = {New York :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=5004723}
}