@misc{Besta_Petr_Environment,
 author={Besta, Petr and Kozel, Roman and Janovská, Kamila and Vilamová, Šárka and Foltan, Drahomír and Piecha, Marian},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Environment and risks of iron production},
 keywords={environment, iron, ore sintering, blast furnace, cost},
}