TY  - BOOK
AU  - Weeks, J.A.
TI  - Population: an introduction to concepts and issues 
SN  - 0534627692
U1  - 304.6 
PY  - 2005///
CY  - San Diego
PB  - State University
KW  - Population
N1  - Includes bibliographical references : p. 615 - 654
ER  -