Lopes da Silva, Cícero, and Eiyti Kato. “Effect of Superficial Sealing on the Saturated Hydraulic Conductivity of the Surface of a Soil under ‘cerrado’”. Pesquisa Agropecuaria Brasileira, vol. 32, no. 2, Feb. 1997, pp. 213-20, doi:10.1590/S1678-3921.pab1997.v32.4628.