@misc{indiciaeaceaa8e7b2c4,
  title = {Silhouettes - An automated three-dimensional plume visualization and tracking system for environmental monitoring},
  author = {Cambridge, Vivien J. and Magee, Ronald G.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930039006},
  note = {Source identifier: 19930039006}
}