@article{seekingopenendedevolutioninswarm,
  title = {Seeking Open-Ended Evolution in Swarm Chemistry II: Analyzing Long-Term Dynamics via Automated Object Harvesting},
  author = {Hiroki Sayama},
  year = {2018},
  eprint = {1804.03304},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.03304v2},
}