%% You should probably cite rfc2172 instead of this I-D.
@techreport{rfced-info-murakami-01,
    number =    {draft-rfced-info-murakami-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-rfced-info-murakami/01/},
    author =    {Mitsuru Maruyama and Ken-ichiro Murakami},
    title =     {{MAPOS Version 1 Assigned Numbers}},
    pagetotal = 3,
    year =      1997,
    month =     may,
    day =       1,
    abstract =  {This memo documents the parameters used in the Multiple Access Protocol over SONET/SDH Version 1. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.},
}