@misc{indiciaecad8e5662da7,
  title = {Energy efficient face seal},
  author = {Sehnal, J. and Sedy, J. and Etsion, I. and Zobens, A.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830007388},
  note = {Source identifier: 19830007388}
}