RUAN, J.; UKRAINETZ, P. R.; BURTON, R. FREQUENCY DOMAIN MODELLING AND IDENTIFICATION OF 2D DIGITAL SERVO VALVE. International Journal of Fluid Power, [S. l.], v. 1, n. 2, p. 49–58, 2000. Disponível em: https://journals.riverpublishers.com/index.php/IJFP/article/view/651. Acesso em: 16 jul. 2024.