title: [Contribution to studies on the model of the family].
authors.forename: K
authors.initials: K
authors.lastname: Zajac
mesh_terms: D000367:Age Factors; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005191:Family Characteristics; D008393:Marriage; D010290:Parents; D011044:Poland; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012942:Social Sciences; D013997:Time Factors
keywords: Age Factors; Demographic Factors; Demography; Developed Countries; Eastern Europe; Europe; Family And Household; Family Characteristics; Family Size; Historical Demography; Marriage; Marriage Age; Marriage Patterns; Nuptiality; Parental Age; Poland; Population; Population Characteristics; Population Dynamics; Social Sciences; Time Factors