@misc{rfc2392,
    series =    {Request for Comments},
    number =    2392,
    howpublished =  {RFC 2392},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2392},
    url =       {https://www.rfc-editor.org/info/rfc2392},
    author =    {Dr. Ed Levinson},
    title =     {{Content-ID and Message-ID Uniform Resource Locators}},
    pagetotal = 6,
    year =      1998,
    month =     aug,
    abstract =  {The Uniform Resource Locator (URL) schemes, "cid:" and "mid:" allow references to messages and the body parts of messages. For example, within a single multipart message, one HTML body part might include embedded references to other parts of the same message. {[}STANDARDS-TRACK{]}},
}