2010 IEEE Antennas and Propagation Society International Symposium Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE. :1-4 Jul, 2010
2007 IEEE Antennas and Propagation Society International Symposium Antennas and Propagation Society International Symposium, 2007 IEEE. :381-384 Jun, 2007