Nantapak, T.; Srisarakorn, K.; Tantipiriyapongs, T.; Deecharoen, N.; Ratanasumawong, C. The Empirical Formula for the Stiffness of a Spur Gear Pair Based on Finite Element Solutions. Eng. J. 2022, 26 (1), 11-24. https://doi.org/10.4186/ej.2022.26.1.11.