@misc{indiciae7201a7a4fe59,
  title = {A variational method for optimal staging.},
  author = {Dickerson, W. D. and Mason, J. D. and Smith, D. B.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660033491},
  note = {Source identifier: 19660033491}
}