@article{modellingandimplementingopenended,
  title = {Self-Modifying Code in Open-Ended Evolutionary Systems},
  author = {Patrik Christen},
  year = {2022},
  eprint = {2201.06858},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.06858v2},
}