@inproceedings{CASE-2007-FukuiNSMMF,
	author        = "Takao Fukui and Masaki Nobuhiro and Yoshio Sekino and Ikuo Maeda and Atsushi Matsumoto and Toshihiro Fujita",
	booktitle     = "{Proceedings of the Third International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2007.4341682",
	isbn          = "978-1-4244-1154-2",
	pages         = "111--116",
	publisher     = "{IEEE}",
	title         = "{Requirement of three-position enabling switches for installing in enabling devices to achieve operational safety of robotics and automation applications}",
	year          = 2007,
}