Weeks, John Robert, 1944- Population : an introduction to concepts and issues / John R. Weeks. - 6th ed. - Belmont : Wadsworth Pub. Co., c1996. - xxii, 682 p. : ill., maps ; 25 cm. Includes bibliographical references (p. 604-654) and indexes. ISBN: 0534264603 (acidfree paper) LCCN: 95021581 Subjects--Topical Terms: Population. LC Class. No.: HB871 / .W43 1996 Dewey Class. No.: 304.6