Kijeński, J., and A. Skupiński. “Syndiotactic Polystyrene, Styrene Ethylene Copolymers and Their Blends With Another Polymers”. Polimery, vol. 50, no. 2, Sept. 2022, pp. 89-99, https://polimery.ichp.vot.pl/index.php/p/article/view/1611.