@ARTICLE {9518,
author={P. Fazendeiro and J. Oliveira },
doi={10.1109/TFUZZ.2014.2306434},
journal={IEEE Transactions on Fuzzy Systems},
title={ Observer biased fuzzy clustering},
year={2015},
month={February},
volume={23},
number={1},
pages={85-97},
ISSN={1063-6706}
}