title: [On the differentiation of trends in the birth and fertility rates in the counties and county-districts of the German Democratic Republic].
mesh_terms: D003710:Demography; D005060:Europe; D005061:Europe, Eastern; D005298:Fertility; D005859:Germany, East; D011153:Population; D011157:Population Dynamics
keywords: Demographic Factors; Differential Fertility; Eastern Europe; Europe; Fertility; German Democratic Republic; Population; Population Dynamics
vernacular_title: Zur Differenzierung der Geburten- und Fruchtbarkeitsentwicklung in den Bezirken und Kreisen der Deutschen Demokratischen Republik