Effect of change of contact ratio on contact fatigue stress of involute spur gears. International Journal of Current Engineering and Technology, [S. l.], v. 8, n. 3, p. 719–731, 2018. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1670. Acesso em: 13 mar. 2026.