[Disaggregation problems in demographic projecting].
Dittmann
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D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005544:Forecasting; D008722:Methods; D011044:Poland; D012106:Research; D013223:Statistics as Topic
Developed Countries; Eastern Europe; Estimation Technics; Europe; Methodological Studies; Poland; Population Projection; Research Methodology