@book{255,
	author = {Dean, Tamara.},
	title = {Guide to Telecommunications Technology /},
	publisher = {Cengage Learning,},
	year = {2002.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0619035471/chopaconline-20}
}