Rimrott, F. P. J., and B. Tabarrok. “Canonical Equations in Terms of Generalized Impulse Variables”. Technische Mechanik - European Journal of Engineering Mechanics 15, no. 4 (October 20, 2019): 263–270. Accessed May 15, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/1279.