@misc{indiciaedbef88dcfd9a,
  title = {Lidar study of the Keystone stack plume.},
  author = {W B Johnson and E E Uthe},
  year = {1971},
  doi = {10.1016/0004-6981(71)90127-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5114461/},
  note = {Source identifier: 5114461}
}