Rusiniak, P., Ruszczyńska, A., Wątor, K., Bulska, E. and Kmiecik, E. (2020) “Methodological aspects concerning sampling and determination of total selenium and selenium species in geothermal waters”, Bulletin of Geography. Physical Geography Series, (18), pp. 5–16. doi: 10.2478/bgeo-2020-0001.