Campos, P. M.; Lacerda, M. P. C.; Silva, C. L. da; Sá, M. A. C. de; Sousa, D. M. G. de. The Internal Drainage As a Differentiation Factor in Oxisols of Distrito Federal, Brazil. PAB 2011, 45 (3), 306-314. https://doi.org/10.1590/S1678-3921.pab2010.v45.2395.