1. Assessing the dare of the global oil peak: the need to use 2P reserves;Bentley;Energy Pol,2007
2. Forster P, Ramaswamy V, Artaxo P, Berntsen T, Betts R, Fahey DW, et al. Changes in atmospheric constituents and in radiative forcing. In: Solomon S, editor. Climate change 2007: The physical science basis, contribution of working group I to the fourth assessment report of the intergovernmental panel on climate change, Cambridge, UK.
3. FAO (Food and Agriculture Organization of the United Nations). State of the world’s forests. Rome, Italy; 2001.
4. Canada Biomass-Bioenergy Report. Climate change solutions (IEA Bioenergy Task 40 – Biotrade); May 31 2006.
5. GBEP. A review of the current state of bioenergy development in G8+5 countries. GBEP Secretariat 2007. FAO, Global Bioenergy Partnership, Rome, Italy.