@misc{indiciaea4ecdc96fdfb,
  title = {Human visual sensitivity to plumes with a Gaussian luminance distribution: experiments to develop an empirical probability of detection model.},
  author = {D M Ross and W C Malm and H K Iyer},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9216255/},
  note = {Source identifier: 9216255}
}