@misc{indiciae5e2de4a79139,
  title = {Chemical indicators recommended both inside and outside.},
  author = {J K Schultz},
  year = {1980},
  doi = {10.1016/s0001-2092(07)61732-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6901608/},
  note = {Source identifier: 6901608}
}