http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Office of Energy Efficiency and Renewable Energy.
National Renewable Energy Laboratory (U.S.)
Parabolic Trough Technology Workshop (2007 : Golden, Colo.)
Title from title screen (viewed June 13, 2008).
Mode of access: Internet from the NREL web site. Address as of 6/13/08: http://www.nrel.gov/docs/fy07osti/41425.pdf ; current access available via PURL.