2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Rome, Italy. IEEE: 1-4; ISBN 978-1-6654-2995-5
2021,
Panagopoulos DJ, Karabarbounis A, Yakymenko I, Chrousos GP
2021 IEEE 4th International Conference on Electronic Information and Communication Technology (ICEICT), Xi'an, China. IEEE: 231-233; ISBN 978-1-6654-3204-7