Population : an introduction to concepts and issues / John R. Weeks. Weeks, John Robert. 1944- Population. HB871 .W43 2002 304.6 21 WEP Includes bibliographical references (p. 611-649) and indexes. Belmont, CA : Wadsworth/Thomson Learning, c2002. c2002. 2002 Text xxiv, 676 p. : http://www.loc.gov/catdir/enhancements/fy1515/2001046931-b.html http://www.loc.gov/catdir/enhancements/fy1515/2001046931-d.html http://www.loc.gov/catdir/enhancements/fy1515/2001046931-t.html eng