1. Validation of an empirical model for photosynthetically active radiation;Alados;Int. J. Climatol.,1999
2. Photosynthetically active radiation: measurements and modelling;Alados;Agric. For. Meteor.,1996
3. Estimation of photosynthetically active radiation under cloudy conditions;Alados;\,2000
4. Improved estimation of diffuse photosynthetically active radiation using two spectral models;Alados;\,2002
5. Parametric models to estimate photosynthetically active radiation in Spain;Alados-Arboledas;\,2000