1. Calculation of the solar radiation incident on a inclined surface;Hay,1978
2. An anisotropic hourly diffuse radiation model for sloping surfaces: description, performance validation, site dependency evaluation;Perez;Solar Energy,1986
3. Performance improvement and structural simplification of Perez diffuse irradiance model;Perez,1986
4. Quatre années de mesures d'ensoleillement à Genève;Ineichen,1983
5. Solar radiation in Geneva: validated models and correlations;Guisan,1985