title: Calculation of a mosaic index for the ethnic composition of republics, krais, and oblasts of the USSR.
mesh_terms: D003469:Culture; D003710:Demography; D019049:Developed Countries; D005006:Ethnicity; D011153:Population; D011154:Population Characteristics; D014586:USSR
keywords: Cultural Background; Demographic Factors; Developed Countries; Ethnic Groups; Population; Population Characteristics; Ussr