Boczkowska, A., K. Babski, J. Osiński, and P. Żach. “Modeling of Characteristics at Compression and Functinal Properties of Hyperelastic Polyurethane Materials Applied in Mechanical Engineering”. Polimery, vol. 53, no. 7-8, Aug. 2022, pp. 544-50, http://ichp.vot.pl/index.php/p/article/view/1340.