@misc{rfc6321,
    series =    {Request for Comments},
    number =    6321,
    howpublished =  {RFC 6321},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6321},
    url =       {https://www.rfc-editor.org/info/rfc6321},
    author =    {Mike Douglass and Cyrus Daboo and Steven Lees},
    title =     {{xCal: The XML Format for iCalendar}},
    pagetotal = 54,
    year =      2011,
    month =     aug,
    abstract =  {This specification defines "xCal", an XML format for iCalendar data. {[}STANDARDS-TRACK{]}},
}