NGUYEN, Hong Thai; TRUONG, Cong Giang. Pressure Change in the Chambers of the Hypogero­tor Pump Applied in Lubrication of the Combustion Engines. Old Journal, [S. l.], n. 137, p. 27–32, 2019. Disponível em: https://jst.vn/index.php/old/article/view/604. Acesso em: 2 aug. 2025.