DUBROVKA, F.; OVSIANYK, Y.; STEPANENKO, P.; ZAKHARCHENKO, O. WIDEBAND MATCHING THE DUAL FREQUENCY COAXIAL WAVEGUIDE FEED. Information and Telecommunication Sciences, [S. l.], n. 2, 2012. DOI: 10.20535/2411-2976.22012.%p. Disponível em: https://infotelesc.kpi.ua/article/view/30217. Acesso em: 13 aug. 2025.