N. Mengidis, M. Bozhilova, C. Ceresola, C. Colabuono, M. Cooke, G. Depaix, A. Genchev, G. Koykov, W. Mees, M. Merialdo, A. Voulgaridis, T. Tsikrika, K. Votis, S. Vrochidis, “Leveraging Cyber Ranges for Prototyping, Certification and Training: The ECHO case” in Proceedings of the 2022 IEEE International Conference on Cyber Security and Resilience (CSR), July 27-29, 2022, pp. 299-304, DOI:10.1109/CSR54599.2022.9850278.