1. Biomass and biofuels;Twidell,2005
2. Biomass assessment handbook – bioenergy for a sustainable environment;Rosillo-Calle,2007
3. IEA. IEA Work for the G8; 2008.
4. IEA. Now or never – IEA energy technology perspectives 2008 shows pathways to sustained economic growth based on clean and affordable energy technology; 2008.
5. IEA. Bioenergy. Technology roadmaps: International Energy Agency (IEA); 2010.