@techreport{daboo-caldav-extensions-01,
    number =    {draft-daboo-caldav-extensions-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-daboo-caldav-extensions/01/},
    author =    {Cyrus Daboo},
    title =     {{Collected Extensions to CalDAV}},
    pagetotal = 12,
    year =      2011,
    month =     oct,
    day =       28,
    abstract =  {This document defines a set of extensions to the CalDAV calendar access protocol.},
}