@misc{indiciaef1433179d7b1,
  title = {Evolution of the 1-mlb mercury ion thruster subsystem},
  author = {Kerslake, W. R. and Banks, B. A.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780048867},
  note = {Source identifier: 19780048867}
}