@misc{indiciaef1c0915ac8a9,
  title = {Varying potential silicon carbide gas sensor},
  author = {Shields, Virgil B. and Ryan, Margaret A. and Williams, Roger M.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20080004611},
  note = {Source identifier: 20080004611}
}