@article{article887c6d51,
title   = {The role of clouds in improving the regression model for hourly values of diffuse solar radiation},
author = {Furlan, Claudia and Oliveira, Amauri Pereira de and Soares, Jacyra Ramos and Codato, Georgia and Escobedo, João Francisco},
year = {2012},
doi = {10.1016/j.apenergy.2011.10.032},
journal   = {Applied Energy}
}