title: A model of numbers of births in three countries, with persistent forty-year cycles.
authors.forename: A M
authors.initials: AM
authors.lastname: Marshall
mesh_terms: D000569:Americas; D001723:Birth Rate; D003710:Demography; D019049:Developed Countries; D004739:England; D005060:Europe; D005298:Fertility; D008423:Maternal Age; D008962:Models, Theoretical; D009520:New Zealand; D009656:North America; D010139:Pacific Islands; D011153:Population; D011157:Population Dynamics; D012106:Research; D006113:United Kingdom; D014481:United States; D014852:Wales
keywords: Age Specific Fertility Rate; Americas; Birth Rate; Demographic Factors; Demographic Transition; Developed Countries; England; Europe; Fertility; Fertility Measurements; Fertility Rate; Mathematical Model; Models, Theoretical; New Zealand; North America; Northern America; Northern Europe; Oceania; Population; Population Dynamics; Research Methodology; Theoretical Studies; United Kingdom; United States; Wales