@book{7083,
	author = {Agrawal, Dharma P. and Zeng, Qing-An.},
	title = {Introduction to wireless and mobile systems /},
	publisher = {CL Engineering,},
	year = {2007.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0534493033/chopaconline-20}
}