PENA-MÉNDEZ, E.M., Dagmar GAJDOŠOVÁ,
Klára NOVOTNÁ, Pavel PROŠEK a
Josef HAVEL. Chemometrics approach to the characterization of humic acids of different origin including Antarctica. In
Book of Abstracts of International Chemometric Conference Chemometrics VI. Czech republic. Brno: Masaryk University, 2002, s. P 32, 1 s. ISBN 80-210-2918-8.