e187.
IPCC report: Bert Metz, Ogunlade Davidson, Heleen de Coninck, Manuela Loos and Leo Meyer, eds., “Special Report on Carbon Dioxide Capture and Storage”, 2005, prepared by working group 3 of the Intergovernmental Panel on Climate Change, available at http://tinyurl.com/oohr85o , p 12 and section 5.3.7: “Geographical distribution and storage capacity estimates”, pp 220–224.