1. J. Puig and J. Duran, “Digital Twins,” in IMSCI 2010 - 4thInternational Multi-Conference on Society, Cybernetics and informatics, Proceedings, 2010, pp. 28–31.
2. J. Autiosalo, “Platform for industrial internet and digital twin focused education, research, and innovation: Ilmatar the overhead crane,” in 2018 IEEE 4th World Forum on Internet of things (WF-IoT), 2018, pp. 241–244.
3. M. Grieves and J. Vickers, “Digital Twin: Mitigating Unpredictable, Undesirable Emergent Behavior in Complex Systems,” in Transdisciplinary Perspectives on Complex Systems: New Findings and Approaches, F.-J. Kahlen, S. Flumerfelt, and A. Alves, Eds. Cham: Springer InternationalPublishing, 2017, pp. 85–113.
4. Virtually perfect: driving innovative and lean products through product lifecycle management;Grieves,2011
5. Is Digital Thread/Digital Twin Affordable? A Systemic Assessment of the Cost of DoD’s Latest Manhattan Project;West;Procedia Comput. Sci.,2017