@article{CAIA-IR-100900A,
    title = {{IPv4 and IPv6 Greynets}},
    author = {F. Baker and W. Harrop and  G. Armitage},
    month = {00 September},
    year = {2010},
    volume = {RFC},
    number = {6018},
    journal = {Internet Engineering Task Force},
    url = {http://www.rfc-editor.org/rfc/rfc6018.txt}
}