Koh, C. T., and M. L. Oyen. “Fracture Toughness of Fibrous Membranes”. Technische Mechanik - European Journal of Engineering Mechanics 32, no. 2-5 (July 4, 2019): 333–341. Accessed April 29, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/727.