@misc{indiciae7caf7d3c7928,
  title = {Exploratory electromagnetic thruster research, phase 2 Final report},
  author = {Ducati, A. C. and Jahn, R. G. and Muehlberger, E. and Treat, R. P.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690030026},
  note = {Source identifier: 19690030026}
}