@article {353,
	title = {Hierarchical clustering with Membrane Computing},
	journal = {Computing and Informatics},
	volume = {27},
	year = {2008},
	pages = {497-513},
	publisher = {Slovak Academy of Sciences},
	address = {Bratislava, Slovakia},
	issn = {1335-9150},
	url = {http://www.cs.us.es/~marper/investigacion/tesalonica.pdf},
	author = {M{\'o}nica Cardona and M. Angels Colomer and Mario J. P{\'e}rez-Jim{\'e}nez}
}
