TY  - BOOK
AU  - Weeks John R
TI  - Population :  An introduction to concepts and issue Eighth Edition   
SN  - 0534529763
U1  - Y:5, P2 
PY  - 2002///
CY  - Belmont
PB  - Thomson Learning         
N1  - Bibliography : P611-649; Appendix : P587-596; Glossary : P597-609
ER  -