Niu, Qinzhou, and Yi Liu. “Deformation Design Method Based on SBF Model”. International Journal of Online and Biomedical Engineering (iJOE) 14, no. 03 (March 30, 2018): pp. 118–128. Accessed April 28, 2024. https://online-journals.org/index.php/i-joe/article/view/8417.