Szakova, J., Tlustos, P., Pavlikova, D., & Balik, J. (1997). Suitability of Different Extraction Agents for the Determination of Plant-Available Part of Soil Arsenic. Chemické Listy, 91(8). Získáno z http://www-.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2755