WINKLER, B.; PLOECKINGER, A.; SCHEIDL, R. A NOVEL PILOTED FAST SWITCHING MULTI POPPET VALVE. International Journal of Fluid Power, [S. l.], v. 11, n. 3, p. 7–14, 2010. Disponível em: https://journals.riverpublishers.com/index.php/IJFP/article/view/476. Acesso em: 2 jun. 2026.