@misc{indiciaebf3f072342bd,
  title = {Derivative spectroscopy with recording spectrometers.},
  author = {M P Klein and E A Dratz},
  year = {1968},
  doi = {10.1063/1.1683382},
  url = {https://pubmed.ncbi.nlm.nih.gov/5641802/},
  note = {Source identifier: 5641802}
}