P. Ehlen, M. Johnston, и G. Vasireddy. Proceedings of ICSLP---Interspeech 2002: 7th International Conference on Spoken Language Processing, Denver, CO, USA, стр. 2557-2560. (2002)
R. Schneider, и P. Heisterkamp. Proceedings of the ISCA Tutorial and Research Workshop (ITRW) on Interactive Dialogue in Multi-Modal Systems (IDS-02): Multi-Modal Dialogue in Mobile Environments. Kloster Irsee, Germany, (2002)
S. Watanabe, J. Hershey, Y. Marks, Tim K. Fujii, и Y. Koji. Proceedings of INTERSPEECH 2014, 15th Annual Conference of the International Speech Communication Association, Singapore, стр. 323-327. (2014)