Heeringa W, Van de Velde H (2018). “Visible Vowels: a Tool for the Visualization of Vowel Variation.” In Proceedings CLARIN Annual Conference 2018, 8 - 10 October, Pisa, Italy, 120 - 123. CLARIN ERIC. https://office.clarin.eu/v/CE-2018-1292-CLARIN2018_ConferenceProceedings.pdf.

Corresponding BibTeX entry:

  @InCollection{,
    year = {2018},
    author = {Wilbert Heeringa and Hans {Van de Velde}},
    title = {Visible Vowels: a Tool for the Visualization of Vowel
      Variation},
    booktitle = {Proceedings CLARIN Annual Conference 2018, 8 - 10
      October, Pisa, Italy},
    publisher = {CLARIN ERIC},
    pages = {120 - 123},
    url =
      {https://office.clarin.eu/v/CE-2018-1292-CLARIN2018_ConferenceProceedings.pdf},
  }