G. S. de Souza, Z. M. de Souza, R. B. da Silva, F. S. Araújo, and R. S. Barbosa, “Soil compressibility and root system of sugarcane with and without controlled‑traffic farming”, PAB, vol. 47, no. 4, pp. 603–612, May 2012, doi: 10.1590/S1678-3921.pab2012.v47.12048.