@misc{indiciaebdf007245ed1,
  title = {Automatic crack propagation tracking},
  author = {Shephard, M. S. and Weidner, T. J. and Yehia, N. A. B. and Burd, G. S.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850058965},
  note = {Source identifier: 19850058965}
}