Conference paper (2014) - L Nerger (author), M.U. Altaf (author), PJ van Leeuwen (author), C. van Velzen (author), M. Verlaan (author), JM Beckers (author), A Barth (author), L Bertino (author), JM Brankart (author), P Brasseur (author), G Candille (author), P De Mey (author), A Fowler (author), P Kirchgessner (author)