@misc{indiciaeac9a6cdd15c7,
  title = {Alternating method applied to edge and surface crack problems},
  author = {Hartranft, R. J. and Sih, G. C.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730012185},
  note = {Source identifier: 19730012185}
}