@misc{indiciae9ce895b97d21,
  title = {Ultrasonic Characterization of Aerospace Composites},
  author = {Leckey, Cara and Johnston, Patrick and Haldren, Harold and Perey, Daniel},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20160006086},
  note = {Source identifier: 20160006086}
}