title: [A proposal concerning information and research guidelines, with reference  to internal migration. A preliminary discussion about the 1980 census].
authors.forename: J L
authors.initials: JL
authors.lastname: Madeira
authors.forename: M G
authors.initials: MG
authors.lastname: Castro
mesh_terms: D000569:Americas; D001938:Brazil; D019352:Censuses; D003710:Demography; D003906:Developing Countries; D004641:Emigration and Immigration; D007843:Latin America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012042:Registries; D012106:Research; D013020:South America
keywords: Americas; Brazil; Census; Demographic Factors; Developing Countries; Latin America; Migration; Migration, Internal; Population; Population Dynamics; Population Register; Population Statistics; Research Methodology; South America