@misc{indiciae7c4b80e4c943,
  title = {Nitrogen fixation--assay methods and techniques.},
  author = {R H Burris},
  year = {1972},
  doi = {10.1016/0076-6879(72)24088-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4206744/},
  note = {Source identifier: 4206744}
}