Prevedello, Celso Luiz, Klaus Reichardt, Divonzil Gonçalves Cordeiro, Evanisa Fátima Reginato Quevedo Melo, and Mariane Scheffer. “Unit Gradient of the Hydraulic Potential As a Source of Error in Obtaining the Hydraulic Conductivity of an Unsaturated Soil”. Pesquisa Agropecuaria Brasileira 29, no. 2 (February 1, 1994): 275–280. Accessed March 6, 2026. https://apct.sede.embrapa.br/pab/article/view/4053.