@book{4271,
	author = {Digiovanni, Jeffrey J.},
	title = {Hearing aid handbook, 2011 /},
	publisher = {Delmar, Cengage Learning,},
	year = {c2008.},
	address = {Clifton Park, NY :},
	note = {Vol. for 2010- cataloged as a serial in LC. #5 DLC},
	url = {http://www.loc.gov/catdir/enhancements/fy1104/2008920754-b.html}
}