1. U. Ahlrichs, J. Fischer, J. Denzler, C. Drexler, H. Niemann, E. Nöth, and D. Paulus. Knowledge based image and speech analysis for Service robots. In Integration of Speech and Image Understanding, p. 21-48, Corfu, Greece, 1999. IEEE Comp. Soc.
2. C. Bauckhage, F. Kümmert, and G. Sagerer. Modeling and Recognition of Assembled Objects. In IECON’98 Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society, p. 2051-2056, 1998.
3. H. Brandt-Pook, G.A. Fink, S. Wachsmuth, and G. Sagerer. Integrated recognition and interpretation of speech for a construction task domain. In Proc. of the Int. Conference on Human Computer Interaction (HCl), volume 1, p. 550–554, 1999.
4. C. Brindöpke, M. Johanntokrax, A. Pahde, and B. Wrede. “‘Darf ich dich Marvin nennen?’” — Instruktionsdialoge in einem Wizard-of-Oz-Szenario: Materialband. Report 7/95, Sonderforschungsbereich 360 ‘“Situierte Künstliche Kommunikatoren’”, Universität Bielefeld, 1995.
5. G.A. Fink. Developing HMM-based recognizers with ESMERALDA. In V. Matousek, P. Mautner, J. Ocelfkova, and P. Sojka, editors, Lecture Notes in Artificial Intelligence, volume 1692, p. 229–234, Berlin, 1999. Springer.