@misc{indiciae90b50b5bb2ff,
  title = {Piezoelectroreflectance in GaAs.},
  author = {Cardona, M. and Pollak, F. H. and Shaklee, K. L.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660051661},
  note = {Source identifier: 19660051661}
}