Wiktorowski, D., Krąpiec, M. and Lutka, M. 2018. Dendrogeomorphological analysis of landslide activity along the planned S-69 road in the Węgierska Górka municipality (Beskid Śląski Mountains, S Poland). Geology, Geophysics and Environment. 43, 2 (Jan. 2018), 139. DOI:https://doi.org/10.7494/geol.2017.43.2.139.