[2006] Gail E. Tverberg. "OIL SHORTAGES: THE NEXT KATRINA? The possibility of future disruptions in the supply of oil is real and growing. Insurers may be affected in many ways — with implications that are as significant as the costs from Hurricane Katrina.

[2005] Jago Dodson and Neil Sipe. Griffith University Urban Research Program.

[2004] "Saving Oil in a Hurry: Oil Demand Restraint in Transport" A publication of the IEA. [DCP - Actions to take in the case of a sudden supply interruption.]

[2006] "SECURING AMERICA’S ENERGY FUTURE" Chairman Tom Davis And Subcommittee on Energy and Resources Chairman Darrell E. Issa. Committee on Government Reform, US House of Representatives.