@article{articlebb846852,
title   = {Modeling hourly diffuse solar-radiation in the city of São Paulo using a neural-network technique},
author = {Soares, Jacyra Ramos and Oliveira, Amauri Pereira de and Boznar, Marija Zlata and Mlakar, Primoz and Escobedo, João Francisco and Machado, Antonio Jaschke},
year = {2004},
doi = {10.1016/j.apenergy.2003.11.004},
journal   = {Applied Energy}
}