1. Bißmeyer, N. et al., 2011. A generic public key infrastructure for securing car-to-x communication. s.l., s.n.
2. ETSI, 2010a. TR 102 893 V1.1.1 (2010-03) Intelligent Transport Systems (ITS); Security; Threat, Vulnerability and Risk Analysis (TVRA), s.l.: s.n.
3. ETSI, 2010b. TS 102 731V1.1.1 (2010-09) Intelligent Transport Systems (ITS); Security; Security Services and Architecture., s.l.: s.n.
4. ETSI, 2012. TS 102 867 v1.1.1 (2012-06) Intelligent Transportation Systems (ITS); Security; Stage 3 mapping for IEEE 1609.2., s.l.: s.n.
5. IEEE Vehicular Technology Society, 2013. 1609.2. Annex E.4.1: Why sign data instead of using a message authentication code?, s.l.: s.n.