@misc{indiciaef29180d96165,
  title = {Performance Optimization of the Gasdynamic Mirror Propulsion System},
  author = {Emrich, William J., Jr. and Kammash, Terry},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20000018014},
  note = {Source identifier: 20000018014}
}