1. Daily insolation on surfaces tilted towards equator;Liu;ASHRAE J (United States),1961
2. Davies JA, Hay JE. Calculation of the Solar Radiation Incident on an Inclined Surface in Proc. In: First Can. Sol. Radiat. Data Work. (JE Hay TK Won, Eds.), 1978: pp. 32–58.
3. Evaluation of hourly tilted surface radiation models;Reindl;Sol Energy,1990
4. An anisotropic hourly diffuse radiation model for sloping surfaces: Description, performance validation, site dependency evaluation;Perez;Sol Energy,1986
5. Comparison of PV system performance-model predictions with measured PV system performance;Cameron;Conf Rec IEEE Photovolt Spec Conf,2008