Porąbka, A., K. Jurkowski, and J. Laska. “Fly Ash Used As a Reinforcing and Flame-Retardant Filler in Low-Density Polyethylene”. Polimery 60, no. 4 (April 30, 2015): 251–257. Accessed November 21, 2024. https://polimery.ichp.vot.pl/index.php/p/article/view/523.