Wu, Shyue-Jian, et al. “Three-Dimensional Finite Element Simulations of Various roll’s Shape During Three-Roll Planetary Rolling Processes”. Computer Assisted Methods in Engineering and Science, vol. 10, no. 1, Feb. 2023, pp. 45-56, https://cames3.ippt.pan.pl/index.php/cames/article/view/1102.