@article{mixedanhydridesattheintersectionbetween,
  title = {Mixed Anhydrides at the Intersection Between Peptide and RNA Autocatalytic Sets: Evolution of Biological Coding},
  author = {Stuart Kauffman and Niles Lehman},
  year = {2022},
  eprint = {2208.01491},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.01491v1},
}