@misc{indiciae7b13841f7970,
  title = {Sceptron vibration spectrum sensor, improved Sceptron/TM/ Final study report, 6 Jun. - 6 Oct. 1966},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670010924},
  note = {Source identifier: 19670010924}
}