@misc{indiciae8a3e70ea9614,
  title = {A transmission oscillator ultrasonic spectrometer},
  author = {Conradi, M. S. and Miller, J. G. and Heyman, J. S.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740043622},
  note = {Source identifier: 19740043622}
}