FISCHER, F.; BAUER, N.; MURRENHOFF, H.; SCHMITZ, K. Geometry of Ball Seat Valves. International Journal of Fluid Power, [S. l.], v. 22, n. 2, p. 173–198, 2021. DOI: 10.13052/ijfp1439-9776.2222. Disponível em: https://journals.riverpublishers.com/index.php/IJFP/article/view/5975. Acesso em: 16 jul. 2024.