IEEE Antennas and Wireless Propagation Letters
IEEE Antennas and Wireless Propagation Letters > 2017 > 16 > 1759 - 1762
IEEE Antennas and Wireless Propagation Letters > 2017 > 16 > 1573 - 1576
IEEE Antennas and Wireless Propagation Letters > 2017 > 16 > 1265 - 1268
IEEE Antennas and Wireless Propagation Letters > 2017 > 16 > 1111 - 1114