ZHANG, Y.; YE, H.; ZHANG, J.; ZHANG, X.; LÜ, S. Design of Wideband 8×8 Butler Matrix using Composite Right/Left-handed Transmission Line for Multi-mode OAM Generation. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 39, n. 04, p. 351–363, 2024. DOI: 10.13052/2024.ACES.J.390409. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/23675. Acesso em: 23 apr. 2026.