R. Kostrhounova, A. Hrdlicka, a L. Sommer, „HPLC Determination of Phenol and Chlorophenols in Mixtures in Water after Previous Preconcentration by SPE on modified Silica and XAD2 Sorbents", Chem. Listy, roč. 98, č. 1, úno. 2004.