@misc{indiciae944a685b783c,
  title = {Precision Thickness Variation Mapping Via One-Transducer Ultrasonic High Resolution Profilometry for Sample With Irregular or Rough Surface},
  author = {Roth, Don J.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19960045897},
  note = {Source identifier: 19960045897}
}