TY  - GEN
AU  - Weeks, John Robert,
TI  -  Population:  an introduction to concepts and issues / 
SN  - 0534553052
AV  - HB871  
PY  - 1999///
CY  - Belmont, CA : 
PB  - Wadsworth Publishing
KW  - Population
N1  -  Includes bibliographical references (p. 611-645) and index
ER  -