Snyder, V. A., Pietri-Oms, R., Miró, M., & Lugo, H. M. (1993). Structural stability, pore size distribution and surface charge properties of clay soils with varying mineralogy and organic matter content. The Journal of Agriculture of the University of Puerto Rico, 77(1-2), 11–31. https://doi.org/10.46429/jaupr.v77i1-2.4163