@misc{indiciae7bfd402fe112,
  title = {Acoustic wave propagation in heterogeneous structures including experimental validation},
  author = {Baumeister, Kenneth J. and Dahl, Milo D.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890010594},
  note = {Source identifier: 19890010594}
}