“Bifurcation into shear bands on the Bishop and Hill polyhedron. Part II: Case of the vertices”, Arch. Mech., vol. 56, no. 6, pp. 465–484, Nov. 2004, Accessed: May 14, 2025. [Online]. Available: https://am3.ippt.pan.pl/index.php/am/article/view/v56p465