%0 Journal Article %J Journal of Climate and Applied Meteorology %D 1986 %T Simple Solar Spectral Model for Direct and Diffuse Irradiance on Horizontal and Tilted Planes at the Earth's Surface for Cloudless Atmospheres %A Bird, Richard E. %A Riordan, Carol %B Journal of Climate and Applied Meteorology %V 25 %P 87 - 97 %8 Jan-01-1986 %G eng %U http://journals.ametsoc.org/doi/abs/10.1175/1520-0450%281986%29025%3C0087%3ASSSMFD%3E2.0.CO%3B2 %N 1 %! J. Climate Appl. Meteor. %R 10.1175/1520-0450(1986)025<0087:SSSMFD>2.0.CO;2