@misc{indiciae22d2d889be61,
  title = {Crack-face displacements for embedded elliptic and semi-elliptical surface cracks},
  author = {Raju, I. S.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890014548},
  note = {Source identifier: 19890014548}
}