@misc{indiciae2dc65beb5e3d,
  title = {Activation by Charcoal.},
  author = {W D Bancroft and S F Whearty},
  year = {1931},
  doi = {10.1073/pnas.17.4.181},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577343/},
  note = {Source identifier: 16577343}
}