title: [Pendulum population migration and the formation of settlement systems].
mesh_terms: D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D011153:Population; D011157:Population Dynamics; D014586:USSR
keywords: Demographic Factors; Developed Countries; Migration; Migration, Internal; Population; Population Dynamics; Temporary Migration; Ussr
vernacular_title: Mayatnikovaya migratsiya naseleniya i formirovanie sistem rasseleniya.