title: [Migration:  some points of interest].
abstract: The concept of migration is defined and categories describing such movements are outlined.  "The author proposes a category of migration movements...which would allow for internationally comparable classifications.  The basic characteristics are:  type of frontier crossed, length and/or recurrence, [and] intentionality of movement...." (SUMMARY IN ENG AND FRE)
authors.forename: N
authors.initials: N
authors.lastname: Federici
mesh_terms: D001519:Behavior; D002965:Classification; D003657:Decision Making; D003710:Demography; D004641:Emigration and Immigration; D008962:Models, Theoretical; D011153:Population; D011157:Population Dynamics; D012106:Research; D009626:Terminology as Topic; D013997:Time Factors
keywords: Behavior; Classification; Decision Making; Demographic Factors; Migration; Population; Population Dynamics; Research Methodology; Terminology; Theoretical Studies; Time Factors; World