http://ec.europa.eu/information_society/eeurope/i2010/docs/post_i2010/additional_contributions/conclusions_visby.pdf
http://www.tecnimap.es/userfiles/ministerial-declaration-on-egovernment.pdf
http://register.consilium.europa.eu/pdf/en/09/st17/st17107.en09.pdf.
http://www.sweden.gov.se/content/1/c6/13/49/79/c6390240.pdf
http://www.sweden.gov.se/content/1/c6/14/20/01/b1ac7489.pdf
http://www.sweden.gov.se/sb/d/13038/a/143027.