@misc{rfc1766,
    series =    {Request for Comments},
    number =    1766,
    howpublished =  {RFC 1766},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1766},
    url =       {https://www.rfc-editor.org/info/rfc1766},
    author =    {Harald T. Alvestrand},
    title =     {{Tags for the Identification of Languages}},
    pagetotal = 9,
    year =      1995,
    month =     mar,
    abstract =  {This document describes a language tag for use in cases where it is desired to indicate the language used in an information object. {[}STANDARDS-TRACK{]}},
}