%% You should probably cite rfc2557 instead of this I-D.
@techreport{ietf-mhtml-rev-07,
    number =    {draft-ietf-mhtml-rev-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-mhtml-rev/07/},
    author =    {Alex Hopmann and Jacob Palme and Nick H. Shelness},
    title =     {{MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)}},
    pagetotal = 28,
    year =      1998,
    month =     sep,
    day =       8,
    abstract =  {This document a) defines the use of a MIME multipart/related structure to aggregate a text/html root resource and the subsidiary resources it references, and b) specifies a MIME content-header (Content-Location) that allow URIs in a multipart/related text/html root body part to reference subsidiary resources in other body parts of the same multipart/related structure. {[}STANDARDS-TRACK{]}},
}