@article{Brezocnik2018Swarm,
  title={Swarm Intelligence Algorithms for Feature Selection: A Review},
  author={Brezo{\v{c}}nik, Lucija and Fister Jr., Iztok and Podgorelec, Vili},
  journal={Applied Sciences},
  volume={8},
  number={9},
  pages={1521},
  year={2018}
}