E. AL-ABDULLAH, A.; عبد. The Electron Optical Properties of the Round Magnetic Electron Lens. Rafidain Journal of Science, [S. l.], v. 17, n. 3, p. 59–69, 2025. DOI: 10.33899/rjs.2006.43406. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12743. Acesso em: 16 aug. 2025.