@book{4244,
	author = {Burkard, Robert F.,},
	title = {Auditory evoked potentials :},
	publisher = {Lippincott Williams & Wilkins,},
	year = {c2007.},
	address = {Philadelphia :},
	url = {http://www.loc.gov/catdir/toc/ecip0615/2006018353.html}
}