1. Biomass as feedstock for a bioenergy and bioproducts industry: the technical feasibility of a billion-ton annual supply;Perlack,2005
2. U.S. Department of Agriculture Forest Service. Forest inventory and analysis program, 2007 Resource Planning Act resource tables. Table 45: Roundwood products, logging residues, and other removals from growing stock and other sources by species group, region, and subregion, 2006; 2008. Available from: http://www.fia.fs.fed.us/program-features/rpa/default.asp.
3. Changes in Georgia's logging workforce;Baker;Southern Journal of Applied Forestry,2008
4. Integrated harvesting systems;Hudson;Biomass and Bioenergy,1995
5. Economics of modifying harvesting systems to recover energy wood;Stuart;Forest Products Journal,1981