SCHMITTER, W. Helical gearing far mili and kilh drives. Materiales de Construcción, [S. l.], v. 6, n. 071, p. 10–12, 1956. DOI: 10.3989/mc.1956.v06.i071.2387. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2387. Acesso em: 28 apr. 2024.