Junior, Joseph Kalil Khoury, Gutemberg Pereira Dias, Ricardo Reis Cordeiro, and Cristiano Márcio Alves de Souza. 2004. “Modeling the Stability of Wheeled Agricultural Tractors”. Pesquisa Agropecuaria Brasileira 39 (5):459-68. https://doi.org/10.1590/S1678-3921.pab2004.v39.6794.