TY  - BOOK
AU  - Weeks, John Robert,
TI  - Population: an introduction to concepts and issues 
SN  - 0534553052
AV  - HB871 .W43 1998
U1  - 304.6 21
PY  - 1999///
CY  - Belmont, CA
PB  - Wadsworth Publishing
KW  - Population
N1  - Includes bibliographical references (p. 611-645) and index
ER  -