@inproceedings{CAIA-CP-031208F,
    title = {{Lawful Interception of IP Traffic}},
    author = {Philip Branch},
    month = {8-10 December},
    year = {2003},
    booktitle = {Australian Telecommunications Networks \& Applications Conference 2003},
    address = {Sydney, Australia},
    url = {http://atnac2003.atcrc.com/ORALS/branch.pdf}
}