1. Allwood, J., Cerrato, L., Jokinen, K., Navarretta, C., Paggio, P.: The MUMIN coding scheme for the annotation of feedback, turn management and sequencing phenomena. In: Martin, J.C., Paggio, P., Kuenlein, P., Stiefelhagen, R., Pianesi, F. (eds.) Multimodal corpora for modelling human multimodal behaviour. Special issue of the International Journal of Language Resources and Evaluation, vol. 41(3–4), pp. 273–287 (2007)
2. André, E., Pelachaud, C.: Interacting with Embodied Conversational Agents. In: Jokinen, K., Cheng, F. (eds.) Speech-based Interactive Systems: Theory and Applications. Springer, Heidelberg (2009)
3. Bennewitz, M., Faber, F., Joho, D., Behnke, S.: Fritz - A Humanoid Communication Robot. In: Proceedings of the 16th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN) (2007)
4. LNAI;N. Campbell,2007
5. Campbell, N.: Speech and expression; the value of a longitudinal corpus. In: The 4th International Conference on Language Resources and Evaluation (LREC), pp. 183–186 (2004)