@misc{indiciae9438524e489e,
  title = {Dyna-Soar skin panel development},
  author = {Helper, A. K. and Backus, W. E. and Smith, G. B.},
  year = {1960},
  url = {https://ntrs.nasa.gov/citations/19720063143},
  note = {Source identifier: 19720063143}
}