Weber, ArndArndWeberReith, SteffenSteffenReithKasper, MichaelMichaelKasperKuhlmann, DirkDirkKuhlmannSeifert, Jean-PierreJean-PierreSeifertKrauß, ChristophChristophKrauß2022-03-082022-03-082018https://publica.fraunhofer.de/handle/publica/298998en004005Sovereignty in Information Technology. Security, Safety and Fair Market Access by Openness and Control of the Supply Chainreport