Dialogue design principles - key for usability of voice processing. - Christel Müller; Fred Runge (EUROSPEECH, 1993)

Multilingual speech interfaces (MSI) and dialogue design environments for computer telephony services. - Christel Müller; Thomas Ziem (EUROSPEECH, 1997)

Standardised speech interfaces - key for objective evaluation of recognition accuracy. - Christel Müller; Karsten Schröder (EUROSPEECH, 1999)

A Successful Field Test of a Mobile and Multilingual Information Service System COMPASS2008. - Hans Uszkoreit; Feiyu Xu 001; Weiquan Liu; Jörg Steffen; Ilhan Aslan; Jin Liu; Christel Müller; Bernhard Holtkamp; Manfred Wojciechowski (HCI (4), 2007)