@InCollection {ss.crc97,
    author = {R. Sandhu and P. Samarati},
    editor = {A. Tucker},
    booktitle = {CRC Handbook of Computer Science and Engineering},
    title = {Authentication, Access Control and Intrusion Detection},
    publisher = {CRC Press Inc.},
    pages = {1929-1948},
    year = {1997}
}