@misc{indiciae44c3c518e7fb,
  title = {Electrical capacitance clearanceometer},
  author = {Hester, Norbert J. and Hornbeck, Charles E. and Young, Joseph C.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/20080004303},
  note = {Source identifier: 20080004303}
}