@article {simidat41, title = {Evolutionary fuzzy rule induction process for subgroup discovery: a case study in marketing}, journal = {IEEE Transactions on Fuzzy Systems}, volume = {15}, number = {4}, year = {2007}, pages = {578-592}, author = {M. J. del Jesus and P. Gonz{\'a}lez and F. Herrera and M. Mesonero} }