Plá, Gilmar Pezzopane, and Nei Fernandes Lopes. “Estimates of Growth and Productivity of Bean by Using a Mathematical-Physiological Model”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 8, Aug. 1998, pp. 1281-9, doi:10.1590/S1678-3921.pab1998.v33.4961.