M. Al-Allah , Jwan A., and R. Y. J. Al-Salih. “Influence of the Geometrical Configuration of the Iron Shroud on the Optical and Magnetic Properties of the Monopole Symmetric Objective Magnetic Lens”. Tikrit Journal of Pure Science 30, no. 5 (October 25, 2025): 47–56. Accessed February 9, 2026. https://tjpsj.org/index.php/tjps/article/view/1834.