@misc{rfc2531,
    series =    {Request for Comments},
    number =    2531,
    howpublished =  {RFC 2531},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2531},
    url =       {https://www.rfc-editor.org/info/rfc2531},
    author =    {Lloyd McIntyre and Graham Klyne},
    title =     {{Content Feature Schema for Internet Fax}},
    pagetotal = 51,
    year =      1999,
    month =     mar,
    abstract =  {This document defines a content feature schema that is a profile of the media feature registration mechanisms for use in performing capability identification between extended Internet fax systems. {[}STANDARDS-TRACK{]}},
}