1. Assessing satellite derived irradiance information for South America within the UNEP resource assessment project SWERA;Beyer,2004
2. European Database for Daylight and Solar Radiation, 2007. Online: 〈http://www.satel-light.com/〉.
3. Energia, meio ambiente e desenvolvimento;Goldemberg,2003
4. INMET, 2007. Normais Climatológicas. Instituto Nacional de Meteorologia. Online: 〈http://www.inmet.gov.br/html/clima.php/〉.
5. IPCC Climate Change 2007: The physical science basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change;IPCC,2007