1. The metals and mineral fuels crises, facts and predictions;Arndt,1977
2. An application of exergy accounting to five basic metal industries;Ayres,2004
3. The mineral economy: a model for the shape of oil production curves;Bardi;Energy Policy,2005
4. Bardi, U, Pagani, M. Peak Minerals. The Oil Drum: Europe; 2008. Available online: http://www.theoildrum.com/node/3086 (accessed August 12, 2009).
5. An analysis of U.S. and World oil production patterns using Hubbert–Style curves;Bartlett;Mathematical Geology,2000