@misc{indiciae2220c975cb11,
  title = {Improvement of oxygen partial pressure sensor},
  author = {Agnew, F. R. and Goldstein, R. P. and Hickam, W. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680015265},
  note = {Source identifier: 19680015265}
}