R. Kiryk and H. Petryk, “A self-consistent model of rate-dependent plasticity of polycrystals”, Arch. Mech., vol. 50, no. 2, pp. 247–263, Jan. 1998, Accessed: Nov. 19, 2025. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v50p247