@misc{indiciae78454307f529,
  title = {Low thrust chemical orbit to orbit propulsion system propellant management study},
  author = {Dergance, R. H. and Hamlyn, K. M. and Tegart, J. R.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810019601},
  note = {Source identifier: 19810019601}
}