@misc{indiciae62f98dd2c6b2,
  title = {What Is Humus?},
  author = {S A Waksman},
  year = {1925},
  doi = {10.1073/pnas.11.8.463},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576894/},
  note = {Source identifier: 16576894}
}