//-->
Modernization research on the Papago Indians
Hackenberg, Robert A., (1972)
Fundamentals of population study
Smith, Thomas Lynn, (1960)
Mortality in Arkansas and the United States, 1950 to 1970
Mangold, William D., (1979)
Two essays on Alonso's theory of movement
Ledent, Jacques, (1982)
Forecasting interregional migration : an economic demographic approach
Ledent, Jacques, (1986)
A model of urbanization with nonlinear migration flows