TY  - BOOK
AU  -  Preston,Samuel H.
AU  -  Keyfifz,Nathan
AU  -  Schoen,Robert
TI  -  Causes of death : :  life tables for national populations / 
PY  - 1972///
CY  -  New York : 
PB  -  Seminar Press , 
KW  -  Life Expectancy
KW  -  tables
KW  -  Mortality
ER  -