@inbook { 11566_41224,
	title = {Business groups analysis by hierarchical clustering},
	booktitle = {Classification and Data Analysis 2005. Book of Short Papers. Meeting of the Classification and Data Analasys Group of the Italian Statistical Society},
	year = {2005},
	publisher = {Monte Universit{\`a} Parma Editore},
	organization = {Monte Universit{\`a} Parma Editore},
	address = {PARMA},
	keywords = {Business Groups },
	author = {D. Potena and C. Diamantini and D. Iacobucci and M. Panti}
}
