@inproceedings{HCI-CC-1997-SakairiS,
	author        = "Takashi Sakairi and Masahide Shinozaki",
	booktitle     = "{Proceedings of the Seventh International Conference on Human-Computer Interaction. Volume 1: Cognitive Considerations}",
	isbn          = "0-444-82183-X",
	pages         = "15--18",
	publisher     = "{Elsevier}",
	title         = "{Helen: A Shared Chalkboard for Low-Bandwidth Networks}",
	year          = 1997,
}