TY  - BOOK
AU  - Weeks,John Robert
TI  - Population: an introduction to concepts and issues 
SN  - 0534553052
AV  - HB871 .W43 1998
PY  - 1998///
CY  - Belmont, CA
PB  - Wadsworth Publishing
KW  - Population
N1  - Includes bibliographical references (p. 611-645) and index
ER  -