Comparative study for differentiation of aquatic humic-type organic constituents by capillary zone electrophoresis using polyvinyl alcohol-coated capillaryPeuravuori, Juhani; Lehtonen, Tero; Lepane, Viia; Pihlaja, KaleviTalanta2005 / p. 103-111 : illhttps://www.sciencedirect.com/science/article/abs/pii/S0039914005001141