1. Baskaran L, Jager HI, Schweizer PE, Srinivasan R (2010) Progress toward evaluating the sustainability of switchgrass as a bioenergy crop using the SWAT model. Trans Am Soc Agric Biol Eng 53:1547–1556
2. Bright RM, Cherubini F, Astrup R, Bird N, Cowie AL, Ducey MJ, Marland G, Pingoud K, Savolainen I, Stromman AH (2012) A comment to “large-scale bioenergy from additional harvest of forest biomass is neither sustainable nor greenhouse gas neutral”: important insights beyond greenhouse gas accounting. Glob Change Biol Bioenergy 4:617–619
3. Brundtland GH (ed) (1987) Our common future: the world commission on environment and development. Oxford University Press, Oxford
4. CBES (Center for BioEnergy Sustainability, Oak Ridge National Laboratory) (2009) Sustainability of bioenergy systems: cradle to grave. Report from 2009 workshop. ORNL/CBES-002, Oak Ridge National Laboratory, Center for BioEnergy Sustainability. http://www.ornl.gov/sci/ees/cbes/EPA/SBSWorkshop_Report.pdf . Accessed 9 Jan 2013
5. CBES (Center for BioEnergy Sustainability, Oak Ridge National Laboratory) (2010) Land-use change and bioenergy: report from the 2009 workshop, ORNL/CBES-001, US Department of Energy, Office of Energy Efficiency and Renewable Energy and Oak Ridge National Laboratory, Center for BioEnergy Sustainability. http://www.ornl.gov/sci/ees/cbes/workshops/LandReportCover.pdf . Accessed 9 Jan 2013