Schaie, K. Warner Intellectual development in adulthood : the Seattle longitudinal study / K. Warner Schaie ; foreword by Paul B. Baltes. - Cambridge ; New York : Cambridge University Press, 1996. - xxx, 396 p. : ill. ; 23 cm. ISBN: 0521430143 (hc) Subjects--Topical Terms: Cognition--Age factors--Longitudinal studies.Adulthood--Psychological aspects--Longitudinal studies.Aging--Psychological aspects--Longitudinal studies. Dewey Class. No.: 155.5 / SCH N96I