Threat Analysis in Systems-of-Systems: An Emergence-Oriented Approach Publication Type: Journal Article Authors: Andrea Ceccarelli; Tommaso Zoppi; Alexandr Vasenev; Marco Mori; Dan Ionita; Lorena Montoya; Andrea Bondavalli Source: ACM Transactions on Cyber-Physical Systems, Volume 3, Issue 2, p.article 18 (2018)