[Trend of aging and defeminization of rural and urban population of Czechoslovakia in 1961-1970].
Cerny
M
M
D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011153:Population; D011154:Population Characteristics; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth
Czechoslovakia; Demographic Factors; Developed Countries; Eastern Europe; Europe; Population; Population Characteristics; Population Dynamics; Population Growth; Population Size