Bieganowski A., Chojecki T., Ryżak M., Sochan A., Lamorski K.:  Methodological aspects of fractal dimension estimation on the basis of particle size distribution (2013 r.) Vadose Zone Journal 2013, Vol. 12, 1, 1-9

Sochan A., Lamorski K., Bieganowski A., Chojecki T., Ryżak M., Polakowski C.:  Calculation of fractal dimension of soil on the basis of particle size distribution measured with the laser diffraction method (2013 r.) 10th International Conference on Agrophysics, Lublin 5-7.06.2013 r. 2013, 112-112