Pietruszka, N. and Brzozowski, Z. 2022. A new group of liquid reactive nitrogen and nitrogen—phosphorus flame retardants for self-extinguishing polyurethane expanded polymers. Part I. Synthesis and properties. Polimery. 45, 3 (Sep. 2022), 184-190. DOI:https://doi.org/10.14314/polimery.2000.184.