@misc{indiciae5ab8b55f64e3,
  title = {Progress on the PT-1 Prototype Plasmoid Thruster},
  author = {Eskridge, Richard H. and Martin, Adam K.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20080006053},
  note = {Source identifier: 20080006053}
}