@misc{indiciae7fc68c30625d,
  title = {A method for determining crack opening load from load-displacement data},
  author = {Carman, C. Davis and Turner, C. Christopher and Hillberry, Ben M.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890030042},
  note = {Source identifier: 19890030042}
}