Bieliński, D. M., M. Kajzer, L. Ślusarski, and Ł. Kaczmarek. “Gradient Structure of Polymer Materials”. Polimery 50, no. 4 (September 1, 2022): 298-304. Accessed April 28, 2024. https://ichp.vot.pl/index.php/p/article/view/1635.