Mestek, O., Koplik, R., Fingerova, H., & Suchanek, M. (1999). Validation of Lead Determination in Materials of Animal and Plant Origin by Isotope Dilution Mass Spectrometry. Chemické Listy, 93(6). Získáno z http://ww.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2606