@misc{indiciae826ce1936a05,
  title = {Preliminary Sizing of Vertical Take-off Rocket-based Combined-cycle Powered Launch Vehicles},
  author = {Roche, Joseph M. and McCurdy, David R.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010017162},
  note = {Source identifier: 20010017162}
}