//-->
The growth and structure of human populations : a mathematical investigation
Coale, Ansley J., (1972)
Demographic challenges in America's future
Butz, William P., (1982)
Demographic analysis : selected readings
Spengler, Joseph J., (1956)
Analysis of a change in western mortality patterns
Preston, Samuel H., (1969)
Mortality patterns in national populations : with special reference to recorded causes of death
Preston, Samuel H., (1976)
Mortality and development revisited
Preston, Samuel H., (1985)