1. Beyond Oil—The View from Hubbert's Peak;Deffeyes,2005
2. Twilight in the Desert—The Coming Saudi oil Shock and the World Economy;Simmons,2005
3. The Tipping Point: How Little Things Can Make a Big Difference;Gladwell,2002
4. The Coming Oil Crisis;Campbell,1997
5. European Spatial Development Perspective – Towards balanced and sustainable development of the territory of the EU, adopted at the Informal Meeting of Ministers responsible for Territorial Development in Potsdam in May 1999, published by the European Commission, 1999.