@misc{Szymula_Marta_Adsorption,
 author={Szymula, Marta and Marczewski, Adam W.},
 howpublished={online},
 publisher={Wydaw. UMCS},
 language={eng},
 type={artykuł},
 title={Adsorption of asphaltenes from toluene on quartz and silica-rich soils},
 keywords={chemia},
}