title: [Collection and use of population data in the Bulgarian People's Republic].
authors.forename: D C
authors.initials: DC
authors.lastname: Balevszki
mesh_terms: D002031:Bulgaria; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011154:Population Characteristics; D012106:Research
keywords: Bulgaria; Developed Countries; Eastern Europe; Europe; Population Statistics; Research Methodology