Ge, Xin-Sheng, Wei-Jia Zhao, and Yan-Zhu Liu. “Nonholonomic Motion Planning for a Free-Falling Cat Using Quasi-Newton Method”. Technische Mechanik - European Journal of Engineering Mechanics 31, no. 1 (July 9, 2019): 42–49. Accessed April 30, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/764.