Chen, Hua, Quanyuan Feng, Yan Wen, and Qiang Fu. 2021. “Novel Broadband Circularly Polarized Monopole Antenna for Multi-Communication Systems”. The Applied Computational Electromagnetics Society Journal (ACES) 36 (10):1312-18. https://doi.org/10.13052/2021.ACES.J.361007.