@misc{indiciaeb8ad71dbdc41,
  title = {A retrospective on early cryogenic primary rocket subsystem designs as integrated into rocket-based combined-cycle (RBCC) engines},
  author = {Escher, William J. D. and Schnurstein, Robert E.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930065806},
  note = {Source identifier: 19930065806}
}