@article{atutorialonparticleswarmoptimization,
  title = {A tutorial on Particle Swarm Optimization Clustering},
  author = {Augusto Luis Ballardini},
  year = {2018},
  eprint = {1809.01942},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1809.01942v1},
}