KOZLOV, L.; LOZINSKY, D. RESEARCH ON THE INFLUENCE OF THE SPOOL WORKING EDGE SLOPE ON THE NONLINEARITIES OF THE PROPORTIONAL DIRECTIONAL CONTROL VALVE WITH ELECTROHYDRAULIC CONTROLLING. Scientific Works of Vinnytsia National Technical University, [S. l.], n. 1, 2011. Disponível em: https://works.vntu.edu.ua/index.php/works/article/view/16. Acesso em: 29 mar. 2024.