@book{30099,
	author = {Haykin, Simon S., and Mohar Micheal},
	title = {Communication systems.},
	publisher = {Wiley,},
	year = {c2009.},
	address = {Hoboken, NJ :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1013/2010483731-d.html}
}