@misc{indiciaeaba2bd025109,
  title = {A failsafe analysis using NASTRAN's piecewise linear analysis and a nine node linear crack element},
  author = {Wilkinson, R. F. and Kelley, J. W.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750023423},
  note = {Source identifier: 19750023423}
}