@misc{indiciae9b86bf0ef829,
  title = {Matrix techniques in colorimetry.},
  author = {J B Spiegler},
  year = {1980},
  doi = {10.1097/00006324-198004000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/7386588/},
  note = {Source identifier: 7386588}
}