title: [Permanent study of migrations system: 1976 report].
mesh_terms: D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D005060:Europe; D011153:Population; D011157:Population Dynamics
keywords: Demographic Factors; Developed Countries; Europe; International Migration; Migration; Population; Population Dynamics
vernacular_title: SOPEMI [Systeme d'Observation Permanente des Migrations]: rapport 1976