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Keywords:
Age Specific Fertility RateBirth RateComparative StudiesDemographic FactorsDeveloped CountriesEastern EuropeEuropeFertilityFertility MeasurementsFertility RateGerman Democratic RepublicGermany, Federal Republic OfIllegitimacyLength Of LifeLife ExpectancyMarital StatusMarriageMarriage AgeMarriage PatternsMortalityNuptialityPopulationPopulation DynamicsPopulation StatisticsResearch MethodologySocial ProblemsStudiesVital StatisticsWestern Europe