Prociak, A., J. Pielichowski, M. Modesti, F. Simioni, and M. Checchin. 2022. “Influence of Different Phosphorus Flame Retardants on Fire Behaviour of Rigid Polyurethane Foams Blown With Pentane”. Polimery 46 (10):692-96. http://ichp.vot.pl/index.php/p/article/view/2122.