Design of Unipotential Electrostatic Lenses Operated Under zeroMagnification. Al-Nahrain Journal of Science, [S. l.], v. 13, n. 3, p. 21–25, 2010. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/1080. Acesso em: 3 apr. 2025.