@misc{indiciaed739602dddc6,
  title = {Spectral sharpening with positivity},
  author = {MS Drew and GD Finlayson},
  year = {2000},
  doi = {10.1364/josaa.17.001361},
  url = {https://pubmed.ncbi.nlm.nih.gov/10935863/},
  note = {Source identifier: 10935863}
}