Wiesmaier, A.Rauchschwalbe, U.Ludwig, C.Henhapl, B.Ruppert, M.Buchmann, J.Dittmann, Jana2019-08-262019-08-2620063-88579-171-4https://dl.gi.de/handle/20.500.12116/24776enIntrinsically legal-for-trade objects by digital signaturesText/Conference Paper1617-5468