W. Brockmann, S. Albrecht, D. Borrmann, and J. Elseberg. In Proceedings of the 11th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines (CLAWAR 2008), Coimbra, Portugal, (September 2008)
C. Brockmann, A. Isard, J. Oberlander, and M. White. Workshop on Adapting the Interaction Style to Affective Factors at the 10th International Conference on User Modeling, Edinburgh, UK, (2005)
A. Isard, C. Brockmann, and J. Oberlander. Proceedings of the Fourth International Natural Language Generation Conference, page 25-32. Association for Computational Linguistics, (July 2006)