http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hourly Solar Radiation Data for vertical and horizontal surfaces on average days in the United States and Canada
KUSUDA, T. -- Hourly Solar Radiation Data for vertical -- and horizontal surfaces on average days in -- the United States and Canada.T.Kusuda and -- K.Ishii. - Washington 1977.V,405 S. 4° -- (NBS Building Science Series.96.) -- 1981:B 2650. -- Ko.°