TY - JOUR A1 - Spengler, J. J. T1 - Population and Per Capita Income JF - L. Wilson and W.L. Kolb (Eds.), Sociological Analysis. An Introductory Text and Case Book, New York (Harcourt, Brace and Co.) 1949, pp. 397-407. Y1 - 1949 N1 - Dedicated by Bahary Family 2004 ER -