Demographic Demographic yearbook 1949-50 = Annuaire demographique 1949-50. -- Second issue. -- New York : United Nations, 1950. -- (United Nations publication ; sales no.: 1951.XIII.1). -- Pod názvem: Department of Social Affairs Population Division = Départment des questions sociales Division de la population ; Department of Economic Affairs Statistical Office of the United Nations = Départment des questions économiques Bureau de statistiques des Nations Unies. Organizace spojených národů. *2United Nations publication ; sales no.: 1951.XIII.10 demografická statistika * demografie * statistika * světová populace * země světa