@misc{indiciae093c0164028e,
  title = {Explosive gas guns for hypervelocity acceleration.},
  author = {Bernstein, D. and Godfrey, C. S. and Moore, E. T. and Mumma, D.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660043551},
  note = {Source identifier: 19660043551}
}