@misc{indiciae5a8ef61651ba,
  title = {Characterization of crack growth under combined loading},
  author = {Feldman, A. and Smith, F. W. and Holston, A., Jr.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770018632},
  note = {Source identifier: 19770018632}
}