@inproceedings{Iwahashi:2003:SIGDIAL, author = {Iwahashi, Naoto}, title = {A Method for Forming Mutual Beliefs for Communication through Human-robot Multi-modal Interaction }, booktitle = {Proceedings of the Fourth {SIGdial} Workshop on Discourse and Dialogue}, editor = {Akira Kurematsu and Alexander Rudnicky and Syun Tutiya}, url = {http://www.aclweb.org/anthology/W03-2122}, year = 2003, pages = {79--86}