% 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/rfc661.txt

@misc{rfc661,
    series =    {Request for Comments},
    number =    661,
    howpublished =  {RFC 661},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC0661},
    url =       {https://www.rfc-editor.org/info/rfc661},
    author =    {},
    title =     {{Protocol information}},
    pagetotal = 21,
    year =      1974,
    month =     nov,
    abstract =  {An old version; see RFC 694.},
}