@misc{indiciae60e55708fea7,
  title = {Passive propellant system},
  author = {Hess, D. A. and Regnier, W. W. and Jacobs, V. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780019233},
  note = {Source identifier: 19780019233}
}