@misc{indiciaee21696959315,
  title = {Materials and design for ablative heat shields},
  author = {Dow, M. B. and Tompkins, S. S. and Coe, F.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720023232},
  note = {Source identifier: 19720023232}
}