1. Accreditation Board for Engineering and Technology. Code of Ethics of Engineers (1977). https://engineering.purdue.edu/MSE/academics/undergraduate/ethics.pdf. Accessed May 2020
2. Andersen, A.: The European project semester: a useful teaching method in engineering education. In: de Campos, L.C., Dirani, E.A.T., Manrique, A.L., van Hattum-Janssen, N. (eds.) Project Approaches to Learning in Engineering Education: The Practice of Teamwork, pp. 15–28. SensePublishers, Rotterdam (2012)
3. Bauhof. Start-up: Enway entwickelt autonome kehrmaschinen und abfallsammelfahrzeuge (2017). https://www.bauhof-online.de/d/start-up-enway-entwickelt-autonome-kehrmaschinen-und-abfallsammelfahrzeuge/. Accessed May 2020
4. Duarte, A.J., Malheiro, B., Arnó, E., Perat, I., Silva, M.F., Fuentes-Durá, P., Guedes, P., Ferreira, P.: Engineering education for sustainable development: the European project semester approach. IEEE Trans. Educ. 63(2), 108–117 (2020)
5. ENWAY. Autonome Kehrmaschinen für Industrielle Umfelder. https://enway.ai/en/. Accessed May 2020