Świeca, Andrzej, Waldemar Kociuba, and Teresa Brzezińska-Wójcik. 2015. “Hydroclimatic and Geological Conditions of the Variability of Fluvial Transport Rate in the Upper Part of the Wieprz River Catchment”. Quaestiones Geographicae 34 (1):5-14. https://doi.org/10.1515/quageo-2015-0001.