@book{969,
	author = {Herbert Fiegl and Michael Scrivin, ed. and Minnesota Center for Philosophy of Science.},
	title = {Minnesota studies in the philosophy of science. },
	publisher = {University of Minnesota Press,},
	year = {c1956 [ Printing 1962, 1968 ]},
	address = {Minneapolis :},
	note = {Presents the results of the research of the Minnesota Center for the Philosophy of Science}
}