@misc{indiciaeddbd54b90609,
  title = {A Historical Systems Study of Liquid Rocket Engine Throttling Capabilities},
  author = {Betts, Erin M. and Frederick, Robert A., Jr.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100033271},
  note = {Source identifier: 20100033271}
}