TY  - BOOK
AU  - Spiegelman,Mortimer
TI  - Introduction to demography
AV  - HB881 .S68 1968
U1  - 312 
PY  - 1968///
CY  - Cambridge
PB  - Harvard University Press
KW  - Demography
KW  - Local
N1  - Bibliography: p. [425]-502
ER  -