PIDGURSKA, T.; TRUBIN, O. «QUADRUPOLE» MODE DR FILTER FOR C-BAND APPLICATIONS. Information and Telecommunication Sciences, [S. l.], n. 1, p. 51–57, 2013. DOI: 10.20535/2411-2976.12013.51-57. Disponível em: https://infotelesc.kpi.ua/article/view/30226. Acesso em: 7 dec. 2025.