Almeida, Rogério de Araújo, and José Geraldo da Silva. “A PERFILOGRAPH FOR SOIL MOBILIZATION EVALUATION INDUCED BY PLANTERS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 30, no. 1, Dec. 2007, pp. 109-10, https://doi.org/10.5216/pat.v30i1.2875.