@misc{indiciae0249888200be,
  title = {National Launch System Space Transportation Main Engine},
  author = {Hoodless, Ralph M., Jr. and Monk, Jan C. and Cikanek, Harry A., III},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920029969},
  note = {Source identifier: 19920029969}
}