A. Blessing, F. Kliche, U. Heid, C. Kantner, and J. Kuhn. Grenzen und Möglichkeiten der Digital Humanities, 1, Forschungsverbund Marbach Weimar Wolfenbüttel, Wolfenbüttel, (2015)
N. Schauffler, and K. Schweitzer. Speech beyond speech towards a better understanding of the most important biosignal : 16th Annual Conference of the International Speech Communication Association (INTERSPEECH 2015), 2, page 963-967. Red Hook, NY, Curran, (2015)