1. Biorenewable resources: engineering new products from agriculture;Brown,2003
2. U.S. billion-ton update: biomass supply for a bioenergy and bioproducts industry;Perlack,2011
3. Corn for grain 2013 production by county for selected states [chart];National Agricultural Statistics Service,2013
4. The economics of renewable energy: corn stover and switchgrass;Brechbill,2008
5. Economics of harvesting and transporting corn stover;Edwards,2014