@misc{indiciae2e5e282a32b1,
  title = {Study, definition and analysis of pilot/system performance measurements for planetary entry experiments},
  author = {Johnston, D. E. and Ringland, R. F.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680006476},
  note = {Source identifier: 19680006476}
}