@article{evolutionaryinnovationsandwheretofind,
  title = {Evolutionary Innovations and Where to Find Them: Routes to Open-Ended Evolution in Natural and Artificial Systems},
  author = {Tim Taylor},
  year = {2018},
  eprint = {1806.01883},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1806.01883v4},
}