Pawlak, A., J. Morawiec, E. Piorkowska, and A. Galeski. 2022. “Nanocomposites of Polypropylene and Polyethylene With Montmorillonite Type Clays”. Polimery 49 (4):240-47. https://ichp.vot.pl/index.php/p/article/view/1746.