Umar H. Khan; Bilal Aslam; Javaria Khan; Misha Nadeem; Humayun Shahid; Muhammad Awais Azam; Yasar Amin; Hannu Tenhunen. A Novel Asterisk-Shaped Circularly Polarized RFID Tag for On-Metal Applications. ACES Journal 2021, 31, 1035-1042.