Zatorski, W., Z. K. Brzozowski, and K. Łebek. “Production of PUR and PUR-PIR Foams With Red Phosphorus As a Flame Retardant”. Polimery 50, no. 9 (September 1, 2022): 686–689. Accessed December 22, 2024. https://polimery.ichp.vot.pl/index.php/p/article/view/1678.