Bóna, A., I. Bucataru, and M.A. Slawinski. “Space of SO (3)-Orbits of Elasticity Tensors”. Archives of Mechanics 60, no. 2 (March 1, 2008): 123–138. Accessed November 19, 2025. https://am.ippt.pan.pl/index.php/am/article/view/v60p123.