@techreport{pot-carddav-sharing-00,
    number =    {draft-pot-carddav-sharing-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-pot-carddav-sharing/00/},
    author =    {Evert Pot},
    title =     {{CardDAV Address Book Sharing}},
    pagetotal = 3,
    year =      2016,
    month =     jun,
    day =       27,
    abstract =  {This specification defines sharing address books between users on a CardDAV server.},
}