@misc{indiciaec235538945b5,
  title = {External Effect of Combined Nitrogen on Nodulation.},
  author = {J W Tanner and I C Anderson},
  year = {1964},
  doi = {10.1104/pp.39.6.1039},
  url = {https://pubmed.ncbi.nlm.nih.gov/16656021/},
  note = {Source identifier: 16656021}
}