@inproceedings{DBLP:conf/sdmw/Pfitzmann07,
  author    = {Birgit Pfitzmann},
  title     = {Multi-layer Audit of Access Rights},
  booktitle = {Secure Data Management},
  year      = {2007},
  pages     = {18-32},
  ee        = {http://dx.doi.org/10.1007/978-3-540-75248-6_2},
  crossref  = {DBLP:conf/sdmw/2007},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/sdmw/2007,
  editor    = {Willem Jonker and
               Milan Petkovic},
  title     = {Secure Data Management, 4th VLDB Workshop, SDM 2007, Vienna,
               Austria, September 23-24, 2007, Proceedings},
  booktitle = {Secure Data Management},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {4721},
  year      = {2007},
  isbn      = {978-3-540-75247-9},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}