[Types of population development according to districts in Poland in 1951-1970].
Kedelski
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D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011044:Poland; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth
Demographic Factors; Developed Countries; Eastern Europe; Europe; Poland; Population; Population Dynamics; Population Growth; Population Size