@book{4105,
	author = {United States.},
	title = {Hearing loss, hearing aids, and the elderly.},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1968.},
	address = {Washington,},
	note = {Hearings before the Subcommittee on consumer interests of the elderly of the special committee on aging United States Senate 19 th Congress Second Session , Washington DC, July 18 and 19 ,1968 },
	url = {http://hdl.loc.gov/loc.law/llconghear.00186791745}
}