POHL, J.; WARELL, A.; KRUS, P.; PALMBERG, J.-O. Conceptual Design of a Hydraulic Valve Train System. Acta Polytechnica, Prague, Czech Republic, v. 41, n. 4-5, 2001. DOI: 10.14311/248. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/248. Acesso em: 22 jan. 2025.