TY  - BOOK
T1  - Introduction to demography.
A1  - Spiegelman, Mortimer
LA  - English
PP  - Cambridge
PB  - Harvard University Press
YR  - 1968
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125026057
OP  - 514
CN  - HB881 S68 1968
KW  - Demography.
ER  -