Haasemann, G., and V. Ulbricht. “Numerical Evaluation of the Viscoelastic and Viscoplastic Behavior of Composites”. Technische Mechanik - European Journal of Engineering Mechanics, vol. 30, no. 1-3, July 2019, pp. 122-35, https://journals.ub.ovgu.de/index.php/techmech/article/view/784.