Fan, F. ., X. . Fan, X. . Wang, and Z. . Yan. “A Low-Profile Broadband Circularly Polarised Wide-Slot Antenna With an Artificial Magnetic Conductor Reflector”. The Applied Computational Electromagnetics Society Journal (ACES), vol. 36, no. 06, Nov. 2021, pp. 740-6, https://journals.riverpublishers.com/index.php/ACES/article/view/12083.