O. Mendonça, V. C. Pípolo, D. D. Garbuglio, and N. da S. Fonseca Junior, “Factor analysis and environmental stratification in the assessment of soybean adaptability and stability”, PAB, vol. 42, no. 11, pp. 1567–1575, Nov. 2007, doi: 10.1590/S1678-3921.pab2007.v42.7734.