Highspeedglottography with a flexible endoscope for the examination of the human larynx during running speech. - Thomas Wittenberg; Patrick Mergell; Monika Tigges; Ulrich Eysholdt (Bildverarbeitung für die Medizin, 1996)

Quantitative characterization of functional voice disorders using motion analysis of high-speed video and modeling. - Thomas Wittenberg; Patrick Mergell; Monika Tigges; Ulrich Eysholdt (ICASSP, 1997)

Modelling biphonation - The role of the vocal tract. - Patrick Mergell; Hanspeter Herzel (Speech Commun., 1997)