@misc{Stodulski_Michal_Flotation,
 author={Stodulski, Michal and Drzymala, Jan},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={Flotation of copper-bearing carbonaceous shale in the presence of amine type frothers},
 keywords={copper-bearing shale, amine type frothers, flotation},
}