@book{503,
	author = {Birren, James E. and Ethel Percy Andrus Gerontology Center.},
	title = {Cognition, stress, and aging /},
	publisher = {Prentice-Hall,},
	year = {c1985.},
	address = {Englewood Cliffs, N.J. :},
	note = {Based on research by Fellows of the Andrew Norman Institute at the Andrus Gerontology Center, University of Southern California.}
}