1. Mineral depletion, with special reference to petroleum;Adelman;The Review of Economics and Statistics,1990
2. Mineral scarcity and depletion: theory and measurement;Adelman,1993
3. The real oil problem;Adelman;Regulation,2004
4. Alberta Chamber of Resources, 2004. Oil sands technology roadmap—unlocking the potential. Available from 〈http://www.acr-alberta.com〉.
5. Alberta's Energy Reserves 2005 and Supply/Demand Outlook 2006–2015;Alberta Energy and Utilities Board (AEUB),2006