Al-Batat, A. H.H., M. J. Yaseen, and M.M. Majeed. 2017. “Investigation of the Projector Properties of the Magnetic Lenses Using Analytical Function”. Ibn AL-Haitham Journal For Pure and Applied Sciences 24 (1). https://jih.uobaghdad.edu.iq/index.php/j/article/view/806.