2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France. IEEE: 3894-3897; ISBN 978-1-4244-0787-3
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), Singapore. IEEE: 1765-1766; ISBN 978-1-7281-4671-3