@misc{indiciaec0ff7b6d2f12,
  title = {Ion propulsion},
  author = {Meserole, J. S. and Keefer, Dennis and Ruyten, Wilhelmus and Peng, Xiaohang},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19960020653},
  note = {Source identifier: 19960020653}
}