english: Official Journal of the European Union"Directive 2003/87/EC of the European Parliament and of the Council of 13 October 2003", – EU Directive establishing EU ETS
non_english: ΕΛΕΙΟΥ – ΠΡΟΝΩΝ ΕΛΕΙΟΥ – ΠΡΟΝΩΝ ΕΛΕΙΟΥ – ΠΡΟΝΩΝ ΕΛΕΙΟΥ – ΠΡΟΝΩΝ ΕΛΕΙΟΥ – ΠΡΟΝΩΝ ΕΛΕΙΟΥ – ΠΡΟΝΩΝ