IEEE Transactions on Antennas and Propagation
IEEE Transactions on Antennas and Propagation > 2017 > 65 > 4 > 2135 - 2139
IEEE Transactions on Antennas and Propagation > 2017 > 65 > 4 > 2068 - 2073
IEEE Transactions on Antennas and Propagation > 2017 > 65 > 4 > 1589 - 1598