@misc{rfc2639,
    series =    {Request for Comments},
    number =    2639,
    howpublished =  {RFC 2639},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2639},
    url =       {https://www.rfc-editor.org/info/rfc2639},
    author =    {Thomas N. Hastings and Carl-Uno Manros},
    title =     {{Internet Printing Protocol/1.0: Implementer's Guide}},
    pagetotal = 64,
    year =      1999,
    month =     jul,
    abstract =  {This document contains information that supplements the IPP Model and Semantics and the IPP Transport and Encoding documents. It is intended to help implementers understand IPP/1.0 and some of the considerations that may assist them in the design of their client and/or IPP object implementations. This memo provides information for the Internet community.},
}