@misc{indiciae4f027a28d370,
  title = {Thin-walled pressure vessel Patent},
  author = {Esgar, J. B. and Kemp, R. H. and Morgan, W. C.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19710001103},
  note = {Source identifier: 19710001103}
}