BENDEFY, András; HORÁK, Péter. Cylindrical Gears with Changing Ratio. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 61, n. 2, p. 130–134, 2017. 10.3311/PPme.9870. Disponível em: https://pp.bme.hu/me/article/view/9870. Acesso em: 25 apr. 2024.