@misc{indiciaec671e0414700,
  title = {Liquid propulsion systems},
  author = {Keller, O. F. and Stanford, H. B. and Toth, L. R. and Weiner, R. S.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670008997},
  note = {Source identifier: 19670008997}
}