Al-Dawoody, Emad H. A. “Magnetic Lens Design Using Analytical Target Field Function”. Ibn AL-Haitham Journal For Pure and Applied Sciences 27, no. 3 (April 10, 2017): 170–180. Accessed November 24, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/275.