[Density of population and ethnic differentiation].
D003469:Culture; D003710:Demography; D019049:Developed Countries; D005006:Ethnicity; D005060:Europe; D005061:Europe, Eastern; D005843:Geography; D011044:Poland; D011153:Population; D011154:Population Characteristics
Cultural Background; Demographic Factors; Developed Countries; Eastern Europe; Ethnic Groups; Europe; Geographic Factors; Poland; Population; Population Characteristics; Spatial Distribution
Gestose zaludnienia a zroznicowanie etniczne.