@article {1811,
	title = {An unsupervised learning algorithm for membrane computing},
	journal = {Information Sciences},
	volume = {304},
	year = {2015},
	month = {05/2015},
	pages = {80{\textendash}91},
	publisher = {Elsevier},
	address = {Amsterdam (The Netherlands)},
	keywords = {Data clustering, Evolution{\textendash}communication P system, Fuzzy clustering, Membrane computing, P system, Unsupervised learning},
	issn = {0020-0255},
	doi = {10.1016/j.ins.2015.01.019},
	url = {http://www.sciencedirect.com/science/article/pii/S0020025515000572},
	author = {Hong Peng and Jun Wang and Mario J. P{\'e}rez-Jim{\'e}nez and Agust{\'\i}n Riscos-N{\'u}{\~n}ez}
}
