@book{39502,
	author = {Johnson, Wendell, and Boehmler, Richard M. and ebrary, Inc.},
	title = {The onset of stuttering},
	publisher = {University of Minnesota Press,},
	year = {[1959]},
	address = {Minneapolis :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10231102}
}