WILLIAM O. COBURN. An Ultra-Wideband Absorber Backed Planar Slot Antenna. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 32, n. 12, p. 1129–1131, 2021. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/9401. Acesso em: 22 apr. 2026.