@misc{indiciae3d2c98589b68,
  title = {Propulsion Risk Reduction Activities for Nontoxic Cryogenic Propulsion},
  author = {Smith, Timothy D. and Klem, Mark D. and Fisher, Kenneth L.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100039320},
  note = {Source identifier: 20100039320}
}