@misc{indiciae75e038ce3c8b,
  title = {Criteria for passive propellant control schemes.},
  author = {Barksdale, T. R. and Paynter, H. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690054702},
  note = {Source identifier: 19690054702}
}