@misc{rfc6868,
    series =    {Request for Comments},
    number =    6868,
    howpublished =  {RFC 6868},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6868},
    url =       {https://www.rfc-editor.org/info/rfc6868},
    author =    {Cyrus Daboo},
    title =     {{Parameter Value Encoding in iCalendar and vCard}},
    pagetotal = 7,
    year =      2013,
    month =     feb,
    abstract =  {This specification updates the data formats for iCalendar (RFC 5545) and vCard (RFC 6350) to allow parameter values to include certain characters forbidden by the existing specifications.},
}