@misc{indiciae1eff6d465346,
  title = {High-temperature, high-pressure spherical segment valve provides quick opening},
  author = {Giovannetti, A. and Himmelright, R. and Meyer, K. and Nitta, H.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19630000075},
  note = {Source identifier: 19630000075}
}