@misc{indiciae8bacd6f31056,
  title = {An aneroid pressure sensor for constant-level balloons},
  author = {Levanon, N. and Afanasjevs, J. and Oehlkers, R. A. and Suomi, V. E.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750061026},
  note = {Source identifier: 19750061026}
}