1. Solar radiation in New Zealand — the standard year and radiation on inclined slopes;Benseman;N.Z. J. Sci.,1969
2. Spatial structure of solar radiation in Wisconsin;Bland;Agric. For. Meteorol.,1994
3. A solar radiation model for use in biological applications in the south and southeast USA;Cooter;Agric. For. Meteorol.,1995
4. Topographic solar radiation model for GIS;Dubayah;Intl. J. Geographical Information Sci.,1995
5. Iqbal, M., 1983. An Introduction to Solar Radiation, Vol. xviii, Academic Press, New York, 1983, p. 390.