@misc{indiciaea9347861a7eb,
  title = {Reduction of errors in vibratory gyroscopes by double modulation},
  author = {Bush, R. W. and Newton, G. C., Jr.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640015965},
  note = {Source identifier: 19640015965}
}