@misc{indiciaed5e67990bc7f,
  title = {Wave propagation in composite media and material characterization},
  author = {Datta, Subhendu K. and Shah, A. H. and Karunasena, W.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910070861},
  note = {Source identifier: 19910070861}
}