@misc{indiciaef973888a2a1d,
  title = {Fatigue crack propagation in cylindrical shells.},
  author = {Catanach, W. M., Jr. and Erdogan, F.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690045077},
  note = {Source identifier: 19690045077}
}