@misc{Ceglarska-Stefańska_Grażyna_The,
 author={Ceglarska-Stefańska, Grażyna and Zarębska, Katarzyna},
 howpublished={online},
 publisher={UMCS},
 language={eng},
 type={artykuł},
 title={The kinetics of sorption of a CO2 and CH4 mixture on hard coals due to the selective sorption of carbon dioxide},
 keywords={chemia},
}