@misc{indiciae5163b57a2889,
  title = {Mission constraints on solid-propellant motors for unmanned spacecraft.},
  author = {Cork, M. J. and Robillard, C. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690061042},
  note = {Source identifier: 19690061042}
}