1. International Energy Agency Greenhouse Gas R&D Programme; http://www.ieagreen.org.uk.
2. IEA GHG Weyburn CO2 Monitoring and Storage Project; http://www.ieagreen.org.uk.
3. Intergovernmental Panel on Climate Change; http://www.ipcc.ch.
4. Petroleum Technology Research Centre; http://www.ptrc.ca.
5. EnCana Corporation; http://www.encana.com.