[2006] Kip P. Nygren, Darrell D. Massie, Paul J. Kern. "ARMY ENERGY STRATEGY FOR THE END OF CHEAP OIL" United States Military Academy

[2005] Jean Laherrere for the ASPO Lisbon Conference.

[2007] "CRUDE OIL: Uncertainty about Future Oil Supply Makes It Important to Develop a Strategy for Addressing a Peak and Decline in Oil Production" U.S. Government Accountability Office.

[2009] "Giant oil field decline rates and their influence on world oil production" Mikael Höök, Robert Hirsch, Kjell Aleklett

[2007] Frederik Robelius. phD Thesis, University of Uppsala.

[2004] Klaus Illum for the Danish Board of Technology. A short introduction to basic issues and a review of oil depletion projections derived from different theories and methods.

[2005] Robert L. Hirsch, Roger Bezdek, Robert Wendling.

[2006] Robert Hirsch, Roger Bezdek, Robert Wendling. "ECONOMIC IMPACTS OF LIQUID FUEL MITIGATION OPTIONS" For The National Energy Technology Laboratory, Pittsburgh.

[2006] Moujahed Al-Husseini. GeoArabia, Vol. 11, No. 2, 2006 Oil production forecasts - Gulf PetroLink, Bahrain.

[2005] Rembrandt Koppelaar."World Oil Production and Peaking Outlook" ASPO-Netherlands.