M. Samec, A. Santiago, J. P. Cárdenas, R. M. Benito, A. M. Tarquis, S. J. Mooney, and D. Korošak, Quantifying soil complexity using network models of soil porous structure. NONLINEAR PROCESSES IN GEOPHYSICS 20, 41-45 (2013). DOI: 10.5194/npg-20-41-2013