@book{31409,
	author = {Agrawal, Dharma.},
	title = {Introduction to wireless and mobile systems /},
	publisher = {Cengage,},
	year = {2010.},
	address = {Mason, OH :},
	edition = {3rd Ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1105/2010922633-b.html}
}