TY  - BOOK
AU  - Weeks,John Robert
TI  - Population: an introduction to concepts and issues 
SN  - 0534101224 :
AV  - HB 871 WEE
PY  - 1989///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Population
N1  - Includes index
ER  -