@misc{indiciaedd74643f26d8,
  title = {Crack elements for COSMIC/NASTRAN},
  author = {Woytowitz, P. J. and Citerley, R. L.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850017555},
  note = {Source identifier: 19850017555}
}