Apitzsch, F.F.ApitzschLiske, S.S.LiskeScheffler, T.T.SchefflerSchnor, B.B.Schnor2022-03-102022-03-102008https://publica.fraunhofer.de/handle/publica/3588412-s2.0-57549096477en004Specifying security policies for electronic health recordsconference paper