TY  - BOOK
AU  - Weeks,John Robert
TI  - Population: an introduction to concepts and issues
SN  - 0-534-21120-8
PY  - 1994///
CY  - Belmont
PB  - Wadsworth Publishing Company
N1  - Бібліогр. : с. 530-568, Покажчик
ER  -