@misc{indiciae9c9dccca3954,
  title = {Extraterrestrial surface propulsion systems},
  author = {Ash, Robert L. and Blackstock, Dexter L. and Barnhouse, K. and Charalambous, Z. and Coats, J. and Danagan, J. and Davis, T. and Dickens, J. and Harris, P. and Horner, G.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19940021198},
  note = {Source identifier: 19940021198}
}