@misc{indiciae852e7367944c,
  title = {Validity of the third-derivative modulation spectroscopy.},
  author = {Y Fu and KA Chao},
  year = {1989},
  doi = {10.1103/physrevb.40.10712},
  url = {https://pubmed.ncbi.nlm.nih.gov/9991630/},
  note = {Source identifier: 9991630}
}