1. J. F. Allen and L. K. Schubert. An overview of the TRAINS project. Proceedings of the Third International Forum on the Frontier of Telecommunications Technology, 1991.
2. K. Hakota and H. Sato. Prosodic rules in connected speech synthesis. Trans. IECE Japan, J63-D(9):715–722, 1980. (in Japanese).
3. Y. Ishikawa and T. Kato. Generation rule for dialogue inquiry. Proceedings of the 6th Meeting of JSAI, 1992. (in Japanese).
4. S. Nakajima and J. F. Allen. Prosody as a cue for discourse structure. Proceedings of the International Conference on Spoken Language Processing, Banff, Canada, pp. 425–428, 1992.
5. S. Nakajima and J. F. Allen. A study on prosody and discourse structure in cooperative dialogues. Phonetica, 50:197–210, 1993.