@inproceedings{ICPR-v1-2000-ChaoNO,
	author        = "Jinhui Chao and Masaki Nakajima and Shintaro Okada",
	booktitle     = "{Proceedings of the 15th International Conference on Pattern Recognition, Volume 1}",
	doi           = "10.1109/ICPR.2000.905589",
	isbn          = "0-7695-0750-6",
	pages         = "1920--1923",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Hierarchical Invariant Representation of Spatial Topology of 3D Objects and Its Application to Object Recognition}",
	year          = 2000,
}