@misc{indiciaeef2dd69101fa,
  title = {An automatic data system for vibration modal tuning and evaluation},
  author = {Salyer, R. A. and Jung, E. J., Jr. and Huggins, S. L. and Stephens, B. L.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750013271},
  note = {Source identifier: 19750013271}
}