@article {239,
	title = {Ellipsoid ART/ARTMAP category regions for the choice-by-difference functions},
	journal = {Proceedings of SPIE,Conference on Applications and Science of Computational Intelligence V},
	volume = {4739},
	year = {2002},
	month = {April},
	pages = {62{\textendash}73},
	address = {Orlando,FL},
	url = {http://www.eecs.ucf.edu/georgiopoulos/sites/default/files/169.pdf},
	author = {G.C. Anagnostopoulos and M. Georgiopoulos}
}
