D. F. Jaramillo, M. L. A. Gómez, C. A. Restrepo Mona, H. A. G. Sánchez, e F. Á. Mejía, “Physical variables that explain alluvial soil variability and their spatial behavior”, PAB, vol. 46, nº 12, p. 1707–1715, fev. 2012, doi: 10.1590/S1678-3921.pab2011.v46.10855.