Luiz Gazzoni, Décio, and Flávio Moscardi. “Effect of Defoliation Levels on Recovery of Leaf Area, on Yield and Agronomic Traits of Soybeans”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 4, Apr. 1998, pp. 411-24, doi:10.1590/S1678-3921.pab1998.v33.4868.