@misc{indiciae8e750eaa94ef,
  title = {SEMMS - Understanding the solar electric multimission concept.},
  author = {Irace, W. R. and Atkins, K. L.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720045280},
  note = {Source identifier: 19720045280}
}