@misc{Wojciula_Ada_Distribution,
 author={Wojciula, Ada and Boruszko, Dariusz and Kacprzak, Amadeusz},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Distribution of heavy metal fractions in sewage sludge from a selected municipal sewage treatment plant},
 keywords={sewage sludge, heavy metals, heavy metal fractions},
}