1.Hung NV. Prediction of the Distribution and Effect of Diameters of the Cylinder and the Piston Post-Manufacture on the Operation of Gas-Operated Automatic Rifles. Vietnam J. Sci. Technol. [Internet]. 2023 Apr. 17 [cited 2026 Jan. 10];61(2):310-22. Available from: https://vjs.ac.vn/jst/article/view/16627