TY  - BOOK
AU  - Weeks, John Robert,
TI  - Population: an introduction to concepts and issues 
SN  - 0534101224
U1  - 304.6 
PY  - 1989///
CY  - Belmont, Calif.
PB  - Wadsworth Publishing
KW  - Population
N1  - Includes index; Includes bibliographical references ( p. 505-540)
ER  -