TY  - BOOK
AU  - Weeks,John Robert
TI  - Population: an introduction to concepts and issues 
SN  - 0534173462
AV  - HB 871 W395p 1992
U1  - 301.32 
PY  - 1992///
CY  - California
PB  - Wadsworth Publishing Company
KW  - Population
KW  - Población
ER  -