Modelling of changes of hydrodynamic conditions in the aquatic environment of the Maczki–Bór sand pit due to the fact of planned closure of mining operations (NE part of Upper Silesian Coal Basin – Poland) / K. Niedbalska, A. HAŁADUS, P. Bukowski , I. Augustyniak, J. Kubica // W: IMWA Congress 2011 : mine water – managing the challenges : proceedings of the 11\textsuperscript{th} congress of the International Mine Water Association : Aachen, Germany, 4–11 September 2011 / eds. Thomas R. Rüde, Antje Freund, Christian Wolkersdorfer ; IMWA, RWTH Aachen University. — Aachen : RWTH Aachen University. Institute of Hydrogeology, 2011. — Opis częśc. wg okł.. — ISBN: 978-3-00-035543-1. — S. 231–234. — Bibliogr. s. 234, Abstr.. — A. Haładus – afiliacja: Faculty of Geology, Geophysics and Environment Protection, University of Science and Technology, Krakow, Poland