@misc{indiciaefd84bb6ced6b,
  title = {A versatile Mossbauer spectrometer and its applications in vibration measurement},
  author = {Singh, J. J. and Howser, L. M.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720021078},
  note = {Source identifier: 19720021078}
}