@misc{indiciaeb7fa46a3c8b2,
  title = {Line Spring Model and Its Applications to Part-Through Crack Problems in Plates and Shells},
  author = {Erdogan, F. and Aksel, B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860018996},
  note = {Source identifier: 19860018996}
}