J. Schehl, A. Pfalzgraf, N. Pfleger, und J. Steigner. Proceedings of the 10th International Conference on Multimodal Interfaces (ICMI '08), Chania, Crete, Greece, Seite 77-80. (2008)
N. Pfleger, und J. Schehl. Proceedings of Interspeech 2006---ICSLP: 9th International Conference on Spoken Language Processing, Pittsburgh, PA, USA, Seite 1778-1781. (2006)
D. Milward, und M. Beveridge. Proceedings of the 3rd IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Acapulco, Mexico, Seite 9-18. (2003)