1. Contributing to discourse;Clark;Cognitive Science,1989
2. Confirmations and joint action;Cohen,1991
3. Kihon Nihongo Bunpou (Basic Japanese Grammar);Masuoka,1989
4. Kaiwa Bunseki (Conversation Analysis);Maynard,1993
5. The meaning of intonational contours in the interpretation of discourse;Pierrehumbert,1990