@misc{Rykowska_Iwona_SPE,
 author={Rykowska, Iwona and Wasiak, Wiesław},
 howpublished={online},
 publisher={Wydaw. UMCS},
 language={eng},
 type={artykuł},
 title={SPE and GG methods of preconcentration and determination of phenol, o-chlorophenol, and benzene by means of chemically modified silica},
 keywords={chemia},
}