Application of GC to the determination of Ar and Ne in groundwater / J. LASA, P. Mochalski // W: “Chromatographic methods of investigating the organic compounds” : the XXVIII\textsuperscript{th} symposium : June 7\textsuperscript{th}–9\textsuperscript{th}, 2004, Katowice – Szczyrk : book of abstracts / Silesian University. Institute of Chemistry. Katowice, Poland ; Polish Academy of Sciences. The Katowice Branch. Section of Chemical Sciences. — Katowice : Uniwersytet Śląski. Biuro Promocji i Karier, 2004. — Opis częśc. wg okł.. — S. 35

Six-year record (1997–2003): a gas chromatographic measurements of halocarbons in an urban environment / I. ŚLIWKA, J. LASA, M. Jackowicz-Korczyński // W: “Chromatographic methods of investigating the organic compounds” : the XXVIII\textsuperscript{th} symposium : June 7\textsuperscript{th}–9\textsuperscript{th}, 2004, Katowice – Szczyrk : book of abstracts / Silesian University. Institute of Chemistry. Katowice, Poland ; Polish Academy of Sciences. The Katowice Branch. Section of Chemical Sciences. — Katowice : Uniwersytet Śląski. Biuro Promocji i Karier, 2004. — Opis częśc. wg okł.. — S. 37. — Bibliogr. s. 37