Rusiecki, T., and R. Steller. “Study on the Solid-State Shear Pulverization Process in Single Screw Extruder Illustrated by Polyethylene As an Example”. Polimery, vol. 49, no. 3, Sept. 2022, pp. 202-7, http://ichp.vot.pl/index.php/p/article/view/1744.