@misc {IOPORT.70831757,
    author       = {Sassi, Renato Jos\'e and Da Silva, Leandro Augusto and Del Moral Hernandez, Em{\'\i}lio},
    title        = {A methodology using neural network to cluster validity discovered from a marketing database},
    howpublished = {SBRN, 3-8 (2008).},
    year         = {2008},
    doi          = {10.1109/SBRN.2008.26},
    identifier   = {70831757},
}