@inproceedings{ICPR-1996-HeisterkampB,
	author        = "Douglas R. Heisterkamp and Prabir Bhattacharya",
	booktitle     = "{Proceedings of the 13th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.1996.546110",
	isbn          = "0-8186-7282-X",
	pages         = "677--681",
	publisher     = "{IEEE Computer Society}",
	title         = "{Invariants of families of coplanar conics and their applications to object recognition}",
	year          = 1996,
}