@misc{indiciae3a016186d74a,
  title = {Method and System for Multi-Path Active Defect Detection, Localization and Characterization with Ultrasonic Guided Waves},
  author = {Hall, James Stroman and Michaels, Jennifer Emmons},
  year = {2018},
  url = {https://ntrs.nasa.gov/citations/20190000745},
  note = {Source identifier: 20190000745}
}