@misc{indiciae5e4045f3c93c,
  title = {Heterotrophic nitrification in samples from natural environments.},
  author = {W Verstraete and M Alexander},
  year = {1972},
  doi = {10.1007/bf00593473},
  url = {https://pubmed.ncbi.nlm.nih.gov/5015754/},
  note = {Source identifier: 5015754}
}