@article{particlespreferwalkingalongtheaxes,
  title = {Particles Prefer Walking Along the Axes: Experimental Insights into the Behavior of a Particle Swarm},
  author = {Manuel Schmitt and Rolf Wanka},
  year = {2013},
  eprint = {1303.6145},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1303.6145v2},
}