ONDERKA, Milan, and Jozef PECHO. “Update of the Erosive Rain Factor in Slovakia Using Data from the Period 1961–2009”. Contributions to Geophysics and Geodesy 49, no. 3 (September 30, 2019): 355-371. Accessed October 23, 2021. https://journal.geo.sav.sk/cgg/article/view/210.