1. 2011. http://www.opencoss-project.eu/sites/default/files/OPENCOSS_factsheet_V11.pdf 2011. http://www.opencoss-project.eu/sites/default/files/OPENCOSS_factsheet_V11.pdf
2. 2013. Description of pSafeCer Project (accessed: April 1st 2019). https://artemisia.eu/project/30-psafecer.html 2013. Description of pSafeCer Project (accessed: April 1st 2019). https://artemisia.eu/project/30-psafecer.html
3. ISO 26262. 2018. Road vehicles - Functional safety. https://www.iso.org/standard/68384.html ISO 26262. 2018. Road vehicles - Functional safety. https://www.iso.org/standard/68384.html
4. EN 50126. 2017. Railway Applications - The Specification and Demonstration of Reliability Availability Maintainability and Safety (RAMS). EN 50126. 2017. Railway Applications - The Specification and Demonstration of Reliability Availability Maintainability and Safety (RAMS).
5. EN 50128. 2012. Railway applications - Communication signalling and processing systems - Software for railway control and protection systems. EN 50128. 2012. Railway applications - Communication signalling and processing systems - Software for railway control and protection systems.