Berlato, M. A., Fontana, D. C. and Gonçalvez, H. M. (1992) “Relationship between grain yield of soybeans and meteorological variables”, Pesquisa Agropecuaria Brasileira, 27(5), pp. 695–702. doi: 10.1590/S1678-3921.pab1992.v27.3700.