@book{8348,
	author = {Colton, Raymond H. and Casper, Janina K.},
	title = {Understanding voice problems :},
	publisher = {Lippincott Williams & Wilkins,},
	year = {c2006.},
	address = {Baltimore, MD :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip059/2005007656.html}
}