title: [The third grade of a statistical table].
authors.forename: B
authors.initials: B
authors.lastname: Colombo
mesh_terms: D017677:Age Distribution; D000367:Age Factors; D003710:Demography; D019049:Developed Countries; D017533:Marital Status; D008393:Marriage; D008962:Models, Theoretical; D011153:Population; D011154:Population Characteristics; D012106:Research; D013223:Statistics as Topic
keywords: Age Distribution; Age Factors; Data Analysis; Demographic Factors; Developed Countries; Marital Status; Models, Theoretical; Nuptiality; Population; Population Characteristics; Population Statistics; Research Methodology; Statistical Studies; Studies