@misc{indiciae39dec7ecbce8,
  title = {The vanadium effect in nitrogen fixation by azotobacter.},
  author = {J R Benemann and C E McKenna and R F Lie and T G Traylor and M D Kamen},
  year = {1972},
  doi = {10.1016/0304-4165(72)90113-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5021990/},
  note = {Source identifier: 5021990}
}