@article {simidat35,
	title = {On the Combination of Evolutionary Algorithms and Stratified Strategies for Training Set Selection in Data Mining},
	journal = {Applied Soft Computing},
	volume = {6},
	year = {2006},
	pages = {323-332},
	author = {J. R. Cano and F. Herrera and M. Lozano}
}
