Gołębiewski, J., A. Różański, and A. Gałęski. “Study on the Process of Preparation of Polypropylene Nanocomposite With Montmorillonite”. Polimery, vol. 51, no. 5, Aug. 2022, pp. 374-81, http://ichp.vot.pl/index.php/p/article/view/1535.