@misc {IOPORT.70831793,
    author       = {Filho, Carmelo J. A. Bastos and Caraciolo, Marcel P. and Miranda, P\'ericles B. C. and Carvalho, Danilo F.},
    title        = {Multi-ring particle swarm optimization},
    howpublished = {SBRN, 111-116 (2008).},
    year         = {2008},
    doi          = {10.1109/SBRN.2008.14},
    identifier   = {70831793},
}