% Datatracker information for RFCs on the Legacy Stream is unfortunately often
% incorrect. Please correct the bibtex below based on the information in the
% actual RFC at https://rfc-editor.org/rfc/rfc521.txt

@misc{rfc521,
    series =    {Request for Comments},
    number =    521,
    howpublished =  {RFC 521},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC0521},
    url =       {https://www.rfc-editor.org/info/rfc521},
    author =    {},
    title =     {{Restricted use of IMP DDT}},
    pagetotal = 2,
    year =      1973,
    month =     may,
    abstract =  {},
}