Stefan Lindskog Karl-Johan Grinnemo Anna Brunstrom Data Protection Based on Physical Separation: Concepts and Application Scenarios. 1331-1340 2005 conf/iccsa/2005-4 ICCSA (4) http://dx.doi.org/10.1007/11424925_138 db/conf/iccsa/iccsa2005-4.html#LindskogGB05