title: [Analysis of temporal and spatial changes of demographic structures in European countries by the principal components method].
authors.forename: T
authors.initials: T
authors.lastname: Panek
mesh_terms: D003710:Demography; D019049:Developed Countries; D005060:Europe; D005843:Geography; D008962:Models, Theoretical; D015999:Multivariate Analysis; D011153:Population; D011157:Population Dynamics; D012106:Research; D013997:Time Factors
keywords: Demographic Analysis; Demographic Factors--changes; Developed Countries; Europe; Geographic Factors; Mathematical Model; Models, Theoretical; Multivariate Analysis; Population; Population Dynamics; Research Methodology; Research Report; Spatial Distribution--changes; Time Factors