@misc{indiciae9746a0e53e41,
  title = {Propellants},
  author = {Douglas, H. W. and Fletcher, E. A. and Priem, R. J. and Vasu, G.},
  year = {1957},
  url = {https://ntrs.nasa.gov/citations/19710070026},
  note = {Source identifier: 19710070026}
}