@misc{indiciae420e992b158c,
  title = {Status of reusable surface insulation thermal protection system technology programs},
  author = {Greenshields, D. H. and Meyer, A. J. and Tillian, D. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720023230},
  note = {Source identifier: 19720023230}
}