Ondrejkovicova, I. (1997) „Properties of Chemicals and Hazards of the Work with Them", Chemické listy, 91(3). Dostupné z: http://w-ww.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2791 (Viděno: 26 listopad 2024).