Weeks, John Robert, 1944- Population an introduction to concepts and issues / [Book :] John R. Weeks. - 4th ed. - Belmont, Calif. : Wadsworth Pub. Co., 1989. - 552 p. : ill. ; 24 cm. Includes index. Bibliography: p. 505-540. All Ages. ISBN: 0534101224 : 0534101224 0534101224 : LCCN: 88037833 Subjects--Topical Terms: Population.Population. LC Class. No.: HB871 / .W43 1989 Dewey Class. No.: 304.6 304.6