1. International bioenergy transport costs and energy balance
2. Energy requirement for comminution of biomass in relation to particle physical properties
3. Direct mechanical energy measures of hammer mill comminution of switchgrass, wheat straw, and corn stover and analysis of their particle size distributions
4. Yancey NA, Wright CT, Conner CC, Hess JR. Preprocessing moist lignocellulosic biomass for biorefinery feedstocks. Presented at:American Society of Agricultural Biological Engineers Annual International Meeting.Reno, Nevada, USA, 21–24 June 2009.
5. US Department of Energy. Assessment of costs and benefits of flexible and alternative fuel use in the US transportation sector. In:Evaluation of a Wood-to-Ethanol Process. Department of Energy, Washington, DC, USA (1993).