1. Evaluation of Biomass-to-Ethanol Fuel Potential in California;Blackburn,1999
2. California Department of Finance, 2002. California County Profiles. Sacramento, CA. Also available at http://www.dof.ca.gov/HTML/FS_DATA/profiles/pf_home.htm.
3. California Department of Finance, 2003. California Economic Indicators. Sacramento, CA. Also available at http://www.dof.ca.gov/HTML/FS_DATA/indicatr/ei_home.htm.
4. California Department of Food and Agriculture (CDFA), 1980. Ethanol Yields by Crop. Sacramento, CA. Unpublished.
5. California Department of Food and Agriculture (CDFA) 2001. Agricultural Resource Directory. Sacramento, CA.