@online{fontconfig,
  author ={\texttt{freedesktop.org}},
  sortname = {freedesktop},
  title = {Fontconfig},
  subtitle = {A library for configuring and customizing font access},
  date = {2016-06-15},
  urldate={2017-03-18},
  url = {https://www.freedesktop.org/wiki/Software/fontconfig/}
}
@online{features,
  author    = {\WikipediA},
  sortlabel = {Wikipedia},
  sortname  = {Wikipedia},
  title     = {List of typographic features},
  date      = {2017-02-21},
  urldate   = {2017-03-24},
  url       = {https://en.wikipedia.org/wiki/List_of_typographic_features},
}

@online{git,
  author ={James Y Rauhut},
  title = {The package of IBM’s new typeface, IBM Plex, and accompanying typography code.},
  Organisation = {Github},
  date = {2017-11-01},
  urldate={2017-11-13},
  url = {https://ibm.github.io/type},
}