[Problems of population projections].
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D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005069:Evaluation Studies as Topic; D005544:Forecasting; D008722:Methods; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012106:Research; D013223:Statistics as Topic
Comparative Studies; Czechoslovakia; Demographic Factors; Developed Countries; Eastern Europe; Estimation Technics; Europe; Evaluation; Methodological Studies; Population; Population Decrease; Population Dynamics; Population Growth; Population Growth Estimation; Population Projection; Research Methodology