@misc{indiciaec07984697cf9,
  title = {Particle sensor array},
  author = {Buehler, Martin G. and Blaes, Brent R. and Lieneweg, Udo},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20080012415},
  note = {Source identifier: 20080012415}
}