@misc{indiciae95a93622dcef,
  title = {Dioxygen over geological time.},
  author = {Norman H Sleep},
  year = {2005},
  doi = {10.1201/9780824751999.ch3},
  url = {https://pubmed.ncbi.nlm.nih.gov/16370114/},
  note = {Source identifier: 16370114}
}