@misc{indiciae5bb4261cc858,
  title = {Modified vibration transducer calibration system which directly yields a plot of sensitivity versus frequency},
  author = {Miller, E. F. and Nieberding, W. C. and Wright, D. L.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680022486},
  note = {Source identifier: 19680022486}
}