@inproceedings{CASE-2007-TadakumaT,
	author        = "Kenjiro Tadakuma and Riichiro Tadakuma",
	booktitle     = "{Proceedings of the Third International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2007.4341852",
	isbn          = "978-1-4244-1154-2",
	pages         = "788--794",
	publisher     = "{IEEE}",
	title         = "{Mechanical Design of “Omni-Ball”: Spherical Wheel for Holonomic Omnidirectional Motion}",
	year          = 2007,
}