“Tension - Torsion Fatigue Tests on the Proton Exchange Membrane Nafion 115 (Perfluorosulfonic Acid)”. Frattura ed Integrità Strutturale 13, no. 49 (June 11, 2019): 360–369. Accessed November 12, 2024. https://ww3.fracturae.com/index.php/fis/article/view/2281.