Chiara Contoli Daniele Rossi 0005 Giacomo Tontini Davide Borsatti Franco Callegati Demonstration of Digital Twins for 5G Connectivity in Industry 4.0. 102-103 2021 NFV-SDN https://doi.org/10.1109/NFV-SDN53031.2021.9665099 conf/nfvsdn/2021 db/conf/nfvsdn/nfvsdn2021.html#ContoliRTBC21