1. Statistics Norway, http://www.ssb.no/english/subjects/01/04/10/klimagassn_en/.
2. Meld. St. 21 (2011-2012), Melding til Stortinget (Norwegian language), Norsk klimapolitikk, http://www.regjeringen.no/nb/dep/md/dok/regpubl/stmeld/2011-2012/meld-st-21-2011-2012.html?id=679374.
3. The Ministry of Petroleum and Energy and the Norwegian Petroleum Directorate International, Facts 2012 - The Norwegian petroleum sector, http://www.npd.no/en/Publications/Facts/Facts-2012/.
4. Energy Agency (IEA), Carbon Capture and Storage Roadmap, http://www.iea.org/publications/freepublications/publication/CCS_roadmap_foldout.pdf.
5. NPD (Norwegian Petroleum Directorate) 2011, CO2 Storage Atlas North Sea.