title: Migration and employment of foreign workers in COMECON countries and their problems.
authors.forename: F
authors.initials: F
authors.lastname: Levcik
mesh_terms: D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D005060:Europe; D005061:Europe, Eastern; D011153:Population; D011157:Population Dynamics; D014586:USSR
keywords: Demographic Factors; Developed Countries; Eastern Europe; Europe; International Migration; Migration; Population; Population Dynamics; Ussr