1. Allen, R. G., L. S. Pereira, D. Raes, and M. Smith. 1998. Crop Evapotranspiration-Guidelines for Computing Crop Water Requirements-FAO Irrigation and Drainage Paper 56, vol. 300, D05109. Rome: FAO.
2. Köppen's climate classification map for Brazil
3. Ambrosano, E. J., E. B. Wutke, E. A. Bulisani, and H. Cantarella. 1997. Common bean. In Fertilization and Liming Recommendation for the State of São Paulo, edited by Raij, B. V., H. Cantarella, J. A. Quaggio, and A. M. C. Furlani, 2nd ed, 194–5. Campinas: Instituto Agronômico.
4. Relationships between grain yield and accumulation of biomass, nitrogen and phosphorus in common bean cultivars
5. Methods of chemical analysis of plants;Bataglia O. C.;Campinas, Instituto Agronômico,1983