Sikora, J. W., and T. Kapuśniak. “Efficiency of the Extrusion Process and Characteristics of a Conical-Circular Die”. Polimery 50, no. 10 (September 1, 2022): 748–754. Accessed December 4, 2024. https://polimery.ichp.vot.pl/index.php/p/article/view/1685.