Leit í EES-gagnagrunni
Council Directive 91/296/EEC of 31 May 1991 on the transit of natural gas through grids
Council Directive 91/250/EEC of 14 May 1991 on the legal protection of computer programs
Commission Decision No 3855/91/ECSC of 27 November 1991 establishing Community rules for aid to the steel industry