@book{182504,
	author = {Frenzel, Louis E.},
	title = {Communication electronics :},
	publisher = {Glencoe,},
	year = {c2001.},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/description/mh031/99040937.html}
}