A. AL-KHASHAB, M.; I. MOSTAFAH, A.; I. ISMAIL, I. Design and Fabrication of the Single Polepiece Magnetic Electron Lens of Truncated Cone Polepiece Shape. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 19, n. 3, p. 49–54, 2011. DOI: 10.33899/rengj.2011.27018. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30561. Acesso em: 8 sep. 2025.