@misc{indiciaeab9d789efc87,
  title = {J-2X: Progress on the Ares Upper Stage Engine},
  author = {Byrd, Thomas D. and Kynard, Michael H.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070036787},
  note = {Source identifier: 20070036787}
}