@misc{indiciae1572eedba6fc,
  title = {AXISYMMETRIC, THROTTLEABLE NON-GIMBALLED ROCKET ENGINE},
  author = {Sackheim, Robert L. and Hutt, John J. and Anderson, William E. and Dressler, Gordon A.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20060009006},
  note = {Source identifier: 20060009006}
}