Herrmann, Klaus, and Ivan Mihovsky. “Approximate Analytical Investigation of the Elastic-Plastic Behaviour of Fibrous Composites. Part II. External Loading”. Ann. Sofia Univ. Fac. Math. and Inf. 83, no. 2 (December 12, 1992): 21–35. Accessed November 24, 2024. https://ftl5.uni-sofia.bg./index.php/fmi/article/view/513.