Zieleniewska M, Ryszkowska J, Bryśkiewicz A, Auguścik M, Szczepkowski L, Świderski A, et al. The structure and properties of viscoelastic polyurethane foams with FyrolTM and keratin fibers. p [Internet]. 2021 Jan. 15 [cited 2025 Jun. 5];62(2):127-35. Available from: https://polimery.ichp.vot.pl/index.php/p/article/view/279