Pietruszka, N., Brzozowski, Z., & Żabski, L. (2022). A new Group of liquid reactive nitrogen and nitrogen-phosphorus flame retardants for self-extinguishing polyurethane expanded polymers. Part II. Applications to flexible polyurethane foams. Polimery, 45(4), 282–287. https://doi.org/10.14314/polimery.2000.282