Clark, Robert L Economics of individual and population aging / by Robert L Clark and Joseph J Spengler - Cambridge : New York : Cambridge University Press, 1980. - viii, 211p. : - Cambridge surveys of economic literature . Includes index. Bibliography: p. 170-207. ISBN: 0521228832 0521297028 Subjects--Topical Terms: Aging Dewey Class. No.: 301.43 / CLA/E