@misc{indiciae130267f6cae9,
  title = {Acoustic Humidity Sensor},
  author = {Shakkottai, Parthasarathy and Kwack, Eug Y. and Venkateshan, Shakkottai},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900000159},
  note = {Source identifier: 19900000159}
}