@inproceedings{HCI-ACS-1993-OkadaYA,
	author        = "Takanori Okada and Yoshinobu Yamamoto and Yuichiro Anzai",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 1: Applications and Case Studies}",
	isbn          = "0-444-89540-X",
	pages         = "231--236",
	publisher     = "{Elsevier}",
	title         = "{The Active Interface for Human Robot Interaction}",
	year          = 1993,
}