@book{131273,
	author = {Fries, Charles C. and Research Club in Language Learning (Ann Arbor, Mich.)},
	title = {Language learning :},
	publisher = {s.n.,},
	year = {1948-},
	address = {Ann Arbor, Mich. :},
	note = {Later published: Ann Arbor, Mich. : University of Michigan.}
}