[1]
B. . H. Hussein, “Space Charge Effect for Design Electron Gun Using Five Electrode Immersion Electrostatic Lenses”, IHJPAS, vol. 26, no. 1, pp. 144–152, Apr. 2017, Accessed: May 01, 2025. [Online]. Available: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/514