@misc{indiciaed8a0080b1c2a,
  title = {Tube dimpling tool Patent},
  author = {Beuyukian, C. S. and Heisman, R. M.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19710012061},
  note = {Source identifier: 19710012061}
}