@book{10046,
	author = {Forouzan, Behrouz A. and Coombs, Catherine Ann.},
	title = {Data communications and networking /},
	publisher = {Tata McGraw-Hill,},
	year = {c2003.},
	series = {McGraw-Hill Forouzan networking series},
	address = {Boston ;},
	edition = {2nd ed. update.}
}