@misc{indiciaef971cadd6cd6,
  title = {Mapping crystal defects with a digital scanning ultramicroscope},
  author = {Springer, J. M. and Silberman, E. and Kroes, Roger and Reiss, D.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930049074},
  note = {Source identifier: 19930049074}
}