http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the challenges of efficiency and durability
National Renewable Energy Laboratory (U.S.)
IEEE Photovoltaic Specialists Conference 2008 : San Diego, Calif.)
32 unnumbered slides : digital, PDF file.
Title from title screen (viewed Apr. 8, 2009).
"Presented at the 33rd IEEE Photovoltaic Specialist[s] Conference held May 11-16, 2008 in San Diego, California."
Mode of access: Internet from the NREL web site. Address as of 4/8/09: http://www.nrel.gov/docs/fy08osti/43347.pdf ; current access available via PURL.