%% You should probably cite draft-lhomme-cellar-matroska-04 instead of this revision.
@techreport{lhomme-cellar-matroska-03,
    number =    {draft-lhomme-cellar-matroska-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-lhomme-cellar-matroska/03/},
    author =    {Steve Lhomme and Moritz Bunkus and Dave Rice},
    title =     {{Matroska}},
    pagetotal = 216,
    year =      2017,
    month =     jul,
    day =       3,
    abstract =  {This document defines the Matroska audiovisual container, including definitions of its structural Elements, as well as its terminology, vocabulary, and application.},
}