TY  - GEN
AU  - WEEKS, John Robert, 1944-
TI  - Population: an introduction to concepts and issues
SN  - 053462779X (loose leaf ed.)
AV  - HB871 .W43 2005 
PY  - 0000///Thomson Wadsworth Learning
CY  - Belmont, CA
PB  - c2005
KW  - Population
ER  -