@misc{indiciaeb11b8f42293f,
  title = {Thermographic detection of cracks in thin sheets},
  author = {Cramer, K. E. and Syed, Hazari and Winfree, William P.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920046034},
  note = {Source identifier: 19920046034}
}