@book{124032,
	author = {West Virginia University Conference on Life-Span Developmental Psychology, and Turner, Ralph R.},
	title = {Life-span developmental psychology :},
	publisher = {Academic Press,},
	year = {1980.},
	address = {New York :},
	note = {Proceedings of the conference held in Morgantown, W. Va., May 31-June 3, 1978.}
}