Mohammed A. Hussein, R.Y. J. Al-Salih, and Abdullah I. M. Alabdullah. “The Effect of Operation Modes on the Electron Beam Diameter in Condenser Magnetic Lenses System”. Tikrit Journal of Pure Science 27, no. 3 (November 30, 2022): 53–58. Accessed May 18, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/51.