Mai, Anh Quang. “SURVEYING THE EFFECT OF GAS-VENT HOLE DIAMETER AND CLEARANCE BETWEEN PISTON AND CYLINDER ON AUTOMATIC FIRING SYSTEM OF 23mm ЗY23-2”. Journal of Military Science and Technology, no. 75A (November 11, 2021): 77–86. Accessed May 5, 2024. https://en.jmst.info/index.php/jmst/article/view/316.