Sievert, R. “A Geometrically Nonlinear Elasto-Viscoplasticity Theory of Second Grade”. Technische Mechanik - European Journal of Engineering Mechanics 31, no. 2 (July 9, 2019): 83–111. Accessed November 22, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/769.