@misc{indiciae157a12eaf7ba,
  title = {Structural model integrity},
  author = {Wallerstein, D. V. and Lahey, R. S. and Haggenmacher, G. W.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780004507},
  note = {Source identifier: 19780004507}
}