@misc{indiciae953888173d9a,
  title = {Preliminary Sizing Completed for Single- Stage-To-Orbit Launch Vehicles Powered By Rocket-Based Combined Cycle Technology},
  author = {Roche, Joseph M.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20050214738},
  note = {Source identifier: 20050214738}
}