@misc{indiciae14db79008cef,
  title = {Abstract biological systems as sequential machines: behavioral reversibility.},
  author = {L A Demetrius},
  year = {1966},
  doi = {10.1007/bf02476989},
  url = {https://pubmed.ncbi.nlm.nih.gov/5963149/},
  note = {Source identifier: 5963149}
}