@conference {Clgd12b,
	title = {A preliminary study on missing data imputation in evolutionary fuzzy systems of subgroup discovery},
	booktitle = {IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)},
	year = {2012},
	note = {TIN-2008-06681-C06-02,TIC-3928},
	month = {June},
	pages = {1-7},
	address = {Brisbane (Australia)},
	author = {C. J. Carmona and J. Luengo and P. Gonz{\'a}lez and M. J. del Jesus}
}
