@misc{indiciaee59b24745616,
  title = {PTA1 Helium Pressurization System Model},
  author = {Steadman, Todd and Majumdar, Alok and Holt, Kimberly},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990092483},
  note = {Source identifier: 19990092483}
}