TY  - BOOK
AU  - WEEKS, John R
TI  - Population : An Introduction to Concept and issues
SN  - 9780495100553
AV  - 304.6 
U1  - 304.6 22
CY  - London
PB  - Wadsworth Cengage Learning, 
KW  - Population
KW  - Demography
N1  - include bibliographical reference and index
ER  -