@misc{indiciae9101e13c3c4b,
  title = {Fracture of thin sections containing through and part-through cracks},
  author = {Calfe, F. D. and Orange, T. W. and Sullivan, T. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700017737},
  note = {Source identifier: 19700017737}
}