@misc{indiciae53b8356becc2,
  title = {Nondestructive testing - The road to quality},
  author = {Clotfelter, W. N. and Kingsbury, J. E.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660008439},
  note = {Source identifier: 19660008439}
}