@misc{indiciaef4dc43cfa061,
  title = {Pressure seal Patent},
  author = {Beylik, C. M. and Garba, J. A. and Heer, E. and Orlik, F. W.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710017592},
  note = {Source identifier: 19710017592}
}