@misc{indiciaee9a8417198cc,
  title = {A modified ultrasonic pulse-echo-overlap method for determining sound velocities and attenuation of solids.},
  author = {Chick, B. B. and Chung, D. H. and Silversmith, D. J.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690051578},
  note = {Source identifier: 19690051578}
}