Rehakova, M., Mikula, M., Ceppan, M. a Malec, B. (2003) „The Aging Process and Evaluation of Stability of Graphic Pictures", Chemické listy, 97(3). Dostupné z: http://ww.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2242 (Viděno: 5 listopad 2024).