Gawor, L.P. and Lutyńska, S. 2016. Assessment of water quality of degraded anthropogenic reservoirs situated in the area of former coal mine Rozbark in Bytom. Geology, Geophysics and Environment. 41, 3 (Jan. 2016), 249. DOI:https://doi.org/10.7494/geol.2015.41.3.249.