Amrani, D., Paradis, P. and Beaudin, M. (2008) “Approximation expressions for the large-angle period of a simple pendulum revisited”, Revista Mexicana de Física E, 54(1 Jan-Jun), pp. 59–64. Available at: https://rmf.smf.mx/ojs/index.php/rmf-e/article/view/4567 (Accessed: 27 September 2024).