POPLAVKO, Y. M.; Voloshyn А. A.; RUDA, N. A.; PROKOPENKO, Y. V. Frequency characteristics investigation of tunable microstrip antenna structure. Electronics and Communications, [S. l.], v. 19, n. 4, p. 15–22, 2014. DOI: 10.20535/2312-1807.2014.19.4.31742. Disponível em: http://elc.kpi.ua/old/article/view/31742. Acesso em: 19 may. 2024.