@techreport{worley-references-08,
    number =    {draft-worley-references-08},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-worley-references/08/},
    author =    {Dale R. Worley},
    title =     {{The References Header for SIP}},
    pagetotal = 19,
    year =      2012,
    month =     apr,
    day =       2,
    abstract =  {This document defines a SIP extension header, References, to be used within SIP messages to signify that the message (and the dialog containing it) is related to one or more other dialogs. It is expected to be used largely for diagnostic purposes.},
}