Ventura, K., Adam, M. a Válková, P. (2001) „Extraction of Oil from Samples of Crystalline Polystyrene by Accelerated Solvent Extraction", Chemické listy, 95(4), s. 223–226. Dostupné z: http://ww-w.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2428 (Viděno: 29 listopad 2024).