1. Baumann, D; Häring, I; Siebold, U; Finger, J (2014): A web application for urban security enhancement. In Klaus Thoma, Ivo Häring, Tobias Leismann (Eds.): Proceedings/9th Future Security - Security Research Conference. Berlin, September 16 - 18, 2014. Fraunhofer-Verbund Verteidigungs- und Sicherheitsforschung; Future Security Research Conference; Future Security 2014. Stuttgart: Fraunhofer Verl., pp. 17–25.
2. BESECURE (2015): EU project, Best practice enhancers for security in urban environments, 2012–2015, Grant agreement ID: 285222. Available online at https://cordis.europa.eu/project/id/285222, checked on 9/27/2020.
3. Bruneau, Michael; Cimellaro, Gian-Paolo; Didier, Max; Marco, Domaneschi; Häring, Ivo; Lu, Xilin et al. (2020): Challenges and generic research questions for future research on resilience. In Zhishen Wu, Xilin Lu, Mohammad Noori (Eds.): Resilience of critical infrastructure systems. Emerging developments and future challenges. Boca Raton, FL: CRC Press, Taylor & Francis Group (Taylor and Francis series in resilience and sustainability in civil, mechanical, aerospace and manufacturing engineering systems), pp. 1–42.
4. D-BOX (2016): EU Project, Demining too-box for humanitarian clearing of large scale area from anti-personal, landmines und cluster munitions, 2013–2016, Grant agreement ID: 284996. Available online at https://cordis.europa.eu/project/id/284996, checked on 9/27/2020.
5. Department of Defence (2000). MIL-STD-882D Standard practice for system safety.