SZILÁGYI, M.; YAVOR, S. Ya; FISHKOVA, T. Ya.; SHPAK, E. V. A TWO-DIMENSIONAL FIELD INVESTIGATION OF ELECTROSTATIC QUADRUPOLE LENSES COMPOSED OF CYLINDRICAL SURFACES Periodica Polytechnica Electrical Engineering, [S. l.], v. 12, n. 3, p. 301–309, 1968. Disponível em: https://pp.bme.hu/ee/article/view/5171. Acesso em: 16 may. 2024.