Vahabi, H., et al. “Nanocomposites of Polypropylene Polyamide 6 Blends Based on Three Different Nanoclays: Thermal Stability and Flame Retardancy”. Polimery, vol. 58, no. 5, May 2013, pp. 350-6, https://ichp.vot.pl/index.php/p/article/view/740.