@misc{indiciae763dd58cc9f9,
  title = {Electric propulsion design optimization methodology.},
  author = {Molitor, J. H. and Russell, K. J. and Seliger, R. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690043890},
  note = {Source identifier: 19690043890}
}