@misc{indiciaedb962c4a7b28,
  title = {A spectral element approach to wave motion in layered solids},
  author = {Rizzi, S. A. and Doyle, J. F.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930031699},
  note = {Source identifier: 19930031699}
}