Novák, L., & Ventura, K. (2011). The Globally Harmonized System of Classification and Labelling of Chemicals and The Duties for Producers, Importers and Distributors Connected with This System. Chemické Listy, 105(8). Získáno z http://ww.w.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/1098