Paciorek-Sadowska, J., B. Czupryński, M. Borowicz, and J. Liszkowska. “New Polyurethane Materials Containing Biofiller”. Polimery 60, no. 9 (September 30, 2015): 586—591. Accessed May 3, 2024. https://ichp.vot.pl/index.php/p/article/view/604.