Nikitin, L. V. “Softening Solids: Reality or Misinterpretation?”. Technische Mechanik - European Journal of Engineering Mechanics 16, no. 1 (October 19, 2019): 89–96. Accessed November 22, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/1223.