@misc{indiciae07f4ef88f4d4,
  title = {High-temperature, high-pressure spherical segment valve Patent},
  author = {Giovannetti, A., Jr. and Himmelright, R. M. and Meyer, K. A. and Nitta, H.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19700025501},
  note = {Source identifier: 19700025501}
}