@book{20619,
	author = {University of Minnesota. and Minnesota Symposia on Child Psychology.},
	title = {Minnesota Symposia on Child Psychology},
	publisher = {University of Minnesota Press},
	year = {c1967-},
	address = {Minneapolis},
	note = {Vol. 12- published: Hillsdale, N.J. : Erlbaum Associates, 1978-}
}