@ARTICLE{Marzec_Michał_The_2017,
 author={Marzec, Michał and Pieńko, Agata and Gizińska-Górna, Magdalena and Pytka, Aneta and Jóźwiakowski, Krzysztof and Sosnowska, Bożena and Kamińska, Agnieszka and Listosz, Agnieszka},
 number={No 34},
 journal={Journal of Water and Land Development},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute},
 title={The use of carbonate-silica rock (opoka) to remove iron, manganese and indicator bacteria from groundwater},
 URL={http://ochroma.man.poznan.pl/Content/102112/PDF-MASTER/Marzec%20i%20in.pdf},
}