@article{Fister2015Particle,
  title={Particle swarm optimization for automatic creation of complex graphic characters},
  author={Fister Jr., Iztok and Perc, Matja{\v{z}} and Ljubi{\v{c}}, Karin and Kamal, Salahuddin M and Iglesias, Andres},
  journal={Chaos, Solitons \& Fractals},
  volume={73},
  pages={29--35},
  year={2015},
  publisher={Elsevier}
}