2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada. IEEE: pp. 871-872; ISBN 978-1-7281-6671-1
2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science, Rome, Italy. IEEE: pp. 1-2; ISBN 978-1-7281-5690-3