http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Status and trends in U.S. compliance and voluntary renewable energy certificate markets (2010 data)
National Renewable Energy Laboratory (U.S.)
1 online resource (66 unnumbered pages) : color illustrations, color maps.
Title from title screen (viewed on Dec. 20, 2011).