S. Ersahin; H. Gunal; T. Kutlu; B. Yetgin; S. Coban (2006). Estimating specific surface area and cation exchange capacity in soils using fractal dimension of particle-size distribution. , 136(3-4), 0–597. doi:10.1016/j.geoderma.2006.04.014  Estimating specific surface area and cation exchange capacity in soils using fractal dimension of particle-size distribution – ScienceDirect