@misc{indiciae01945f1af72e,
  title = {STATUS AND FUTURE ENGINEERING PROBLEMS OF ELECTRIC PROPULSION SYSTEMS},
  author = {Denington, R. J. and Shattuck, R. D.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630013360},
  note = {Source identifier: 19630013360}
}