Hartman, M. a Trnka, O. (2008) „Heavy Metals in Sewage Sludge and Their Behaviour in Incineration", Chemické listy, 102(2). Dostupné z: http://ww-w.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/1686 (Viděno: 23 prosinec 2024).