@misc{indiciae80a050771594,
  title = {Frequency-dependent reflection from mechanical discontinuities.},
  author = {R P Sawatzky and T B Moodie},
  year = {1987},
  doi = {10.1007/bf02442831},
  url = {https://pubmed.ncbi.nlm.nih.gov/3695595/},
  note = {Source identifier: 3695595}
}