N. Ullah, T. Cong, B. Huan, and H. Yucheng, “Influence of Optimal Tooth Modifications on Dynamic Characteristics of a Vehicle Gearbox”, Int. J. Automot. Mech. Eng., vol. 16, no. 1, pp. 6319–6331, Mar. 2019, doi: 10.15282/ijame.16.1.2019.16.0478.