1. Canadian Energy Research Institute (CERI),
http://www.ceri.ca
2. Butler, R.: SAGD Comes of AGE! Journal of Canadian Petroleum Technology. 37(07), 1–4 (2013)
3. Alberta Energy Regulator (AER),
http://www.aer.ca
4. Alberta Energy,
http://www.energy.alberta.ca
5. IHS,
http://www.ihs.com