P. P. COLTRI, M. A. FAGNANI, L. C. LABAKI, N. J. FERREIRA, and V. A. DEMÉTRIO, “MAIN CLIMATICS ELEMENTS VARIABILITY AND URBANIZATION IN PIRACICABA´S REGION”, Braz J Biosyst Eng, vol. 1, no. 2, pp. 197–208, Nov. 2007.