1. Energy in the 21st century;Chen;Chem Innov,2001
2. U.S. Energy Information Administration. International Energy Outlook 2010. Report DOE/EIA-0484; 2010. https://www.eia.gov/outlooks/archive/ieo10/.
3. U.S. Energy Information Administration.Country Analysis Brief: Canada. U.S. Energy Information Administration, 2007. Retrieved 2019.10.07.
4. Kinetics of thermal visbreaking of a Cold Lake bitumen;Shu;J Can Pet Technol,1984
5. Thermal processing of a Utah tar sand bitumen. Oil sands of Canada—Venezuela;Bunger;Canad Inst Mining Metall,1977