@misc{indiciae8fe9b506e075,
  title = {First steps in biological nitrogen fixation.},
  author = {P W Wilson},
  year = {1969},
  doi = {10.1098/rspb.1969.0023},
  url = {https://pubmed.ncbi.nlm.nih.gov/4389646/},
  note = {Source identifier: 4389646}
}