Change of hydrographic conditions in the vicinity of post-exploitation open pits of natural aggregates / Justyna Burchard-Piekutowska, Andrzej HAŁADUS, Ryszard KULMA, Przemysław Bukowski, Katarzyna Niedbalska // W: SGEM 2017 : 17\textsuperscript{th} international multidisciplinary scientific geoconference : 27–29 November, 2017, Vienna, Austria : conference proceedings. Vol. 17, Water resources: forest, marine and ocean ecosystems. Iss. 33, Hydrology and water resources forest ecosystems. — Sofia : STEF92 Technology Ltd., cop. 2017. — ISBN: 978-619-7408-27-0. — S. 103–110. — Bibliogr. s. 110, Abstr.

Influence of the liquidated sulphur excavation Piaseczno on the water conditions in its surroundings / Ryszard KULMA, Adam POSTAWA, Andrzej HAŁADUS, Justyna Burchard-Piekutowska, Katarzyna Niedbalska // W: SGEM 2018 : 18\textsuperscript{th} international multidisciplinary scientific geoconference : 2 July–8 July, 2018, Albena, Bulgaria : conference proceedings. Vol. 18, Science and technologies in geology, exploration and mining. Iss. 1.2, Hydrogeology, engineering geology and geotechnics. — Sofia : STEF92 Technology Ltd., cop. 2018. — (International Multidisciplinary Scientific GeoConference SGEM ; ISSN 1314-2704). — ISBN: 978-619-7408-36-2. — S. 387–394. — Bibliogr. s. 394, Abstr.. — Toż w: SGEM 2018 [Dokument elektroniczny] : 18\textsuperscript{th} international multidisciplinary scientific conference on Earth & geosciences : conference proceedings : full collection of papers. — Wersja do Windows. — Dane tekstowe. — Sofia : STEF92 Technology Ltd., cop. 2018. — 1 dysk optyczny. — (International Multidisciplinary Scientific GeoConference SGEM ; ISSN 1314-2704). — S. 387–394. — Wymagania systemowe: Adobe Reader ; napęd CD-ROM. — Bibliogr. s. 394