@misc{Rećko_Krzysztof_Laboratory,
 author={Rećko, Krzysztof},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Laboratory research on the possibilityof producing fuels from municipal sewage sludge,rubber waste and biomass},
 keywords={sewage sludge, rubber waste, hazelnut and walnut shell waste, alternative fuels},
}