@misc{1163811,
  author = {D B Ballard},
  title = {Fractography of a 7178-T6 aluminum failed wing plank:},
  year = {1968},
  month = {1968-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.9911},
  language = {en},
}