TY  - BOOK
AU  - Spiegelman,Mortimer
ED  - Society of Actuaries.
TI  - Introduction to Demography
U1  - 312 21
PY  - 1955///
CY  - Chicago
PB  - Society of Actuaries
KW  - Demography
N1  - Includes bibliographical references pages (258-292)
ER  -