@inproceedings{HCI-VAD-2009-SaitoMQS,
	author        = "Kenta Saito and Yuki Makita and Vu Quang and Hitoshi Sasaki",
	booktitle     = "{Proceedings of the 13th International Conference on Human-Computer Interaction. Part IV: Interacting in Various Application Domains}",
	doi           = "10.1007/978-3-642-02583-9_23",
	isbn          = "978-3-642-02582-2",
	pages         = "204--208",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Development of a Simulator of Abacus: Ancient Analog Calculator on a Mobile Phone as a Teaching Material}",
	volume        = 5613,
	year          = 2009,
}