@Book {WISTP2011,
    editor = {C.A. Ardagna and J. Zhou},
    booktitle = {Proc.of the 5th IFIP WG 11.2 International Workshop on Information Security Theory and Practice (WISTP 2011)},
    publisher = {Springer},
    month = {June},
    day = {1--3},
    year = {2011}
}