Video scanning hartmann optical testing of state-of-the-art parabolic trough concentrators [electronic resource] : preprint / T. Wendelin, K. May, R. Gee.
Imprint
Golden, CO : National Renewable Energy Laboratory, [2006]
Mode of access: Internet from the NREL web site. Address as of 8/28/07: http://www.nrel.gov/docs/fy06osti/39590.pdf; current access available via PURL.
Note
Title from title screen (viewed on Aug. 28, 2007).