1. A Beer's-law-based, simple spectral model for direct normal and diffuse horizontal irradiance;Bird,1982
2. Extensive modeled terrestrial solar spectral data sets with solar cell analysis;Bird,1982
3. Estimating photosynthetically active radiation from measured solar irradiance;Blackburn;Solar Energy,1983
4. Relationships of photosynthetically active radiation and shortwave irradiance;Britton;Agric. Meteorol.,1976
5. Variations géographiques et climatiques des expositions énergétiques solaires sur des surfaces réceptrices horizontales et verticales;Dogniaux,1975