@book{183357,
	author = {Lenk, John D.},
	title = {Lenk's audio handbook /},
	publisher = {McGraw-Hill,},
	year = {c1991.},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/mh021/90019325.html}
}