[The past and the future of the population census].
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D019352:Censuses; D003604:Czechoslovakia; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011154:Population Characteristics; D012042:Registries; D012106:Research
Census; Census Methods; Czechoslovakia; Developed Countries; Eastern Europe; Europe; Historical Survey; Population Register; Population Statistics; Research Methodology