@misc{indiciae7f8b4b91884f,
  title = {An Advanced Helium Buffer Seal for the SSME, ATD Oxygen Pump},
  author = {Shapiro, Wilbur},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20080003798},
  note = {Source identifier: 20080003798}
}