@misc{indiciae4007cfb76b85,
  title = {Experimental and analytical strains in an edge-cracked sheet},
  author = {Kendall, D. P. and Swedlow, J. L. and Underwood, J. H.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700002648},
  note = {Source identifier: 19700002648}
}