@misc{rfc2160,
    series =    {Request for Comments},
    number =    2160,
    howpublished =  {RFC 2160},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2160},
    url =       {https://www.rfc-editor.org/info/rfc2160},
    author =    {Harald T. Alvestrand},
    title =     {{Carrying PostScript in X.400 and MIME}},
    pagetotal = 5,
    year =      1998,
    month =     jan,
    abstract =  {This document describes methods for carrying PostScript information in the two standard mail systems MIME and X.400, and the conversion between them. {[}STANDARDS-TRACK{]}},
}