@misc{indiciae7805bfb76bc8,
  title = {Contamination sensors},
  author = {Anthony, H. V. and Drew, J. G. and La Rue, E. F. and Mc Donald, J. P. and Piccone, M.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680019856},
  note = {Source identifier: 19680019856}
}