@misc{indiciae91a74be66234,
  title = {Rocket-Based Combined Cycle Engine Concept Development},
  author = {Ratekin, G. and Goldman, Allen and Ortwerth, P. and Weisberg, S. and McArthur, J. Craig},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020016608},
  note = {Source identifier: 20020016608}
}