TY - BOOK AU - Weeks,John Robert TI - Population: an introduction to concepts and issues SN - 0534627692 (student ed. : hbk.) AV - HB871.W4 2005 PY - 2005/// CY - Belmont, CA PB - Thomson Wadsworth Learning KW - Population N1 - Includes bibliographical references (p. 615-653) and indexes ER -