@misc{indiciaea2d93614cde9,
  title = {Biogeochemistry. The nitrogen fix.},
  author = {J F Kasting and J L Siefert},
  year = {2001},
  doi = {10.1038/35083660},
  url = {https://pubmed.ncbi.nlm.nih.gov/11452283/},
  note = {Source identifier: 11452283}
}