Stanisz, J., Kos, J., Kumorowska, M. and Kaczmarzyk, M. 2016. The influence of root system on slope stability in the view of numerical analysis. Geology, Geophysics and Environment. 42, 1 (Jul. 2016), 129. DOI:https://doi.org/10.7494/geol.2016.42.1.129.