Cheng, Y., & Liu, H. A Novel Concentric Annular-Ring Slot Dual-Band Circularly Polarized Microstrip Antenna. Wiley.
Chicago Style (17th ed.) CitationCheng, Yong, and Hui Liu. A Novel Concentric Annular-Ring Slot Dual-Band Circularly Polarized Microstrip Antenna. Wiley.
MLA (9th ed.) CitationCheng, Yong, and Hui Liu. A Novel Concentric Annular-Ring Slot Dual-Band Circularly Polarized Microstrip Antenna. Wiley.
Warning: These citations may not always be 100% accurate.