@misc{indiciae07ff8bdc6baf,
  title = {Integration of science payloads with multimission electrically propelled spacecraft},
  author = {Goldin, D. S. and Sellen, J. M., Jr.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700065665},
  note = {Source identifier: 19700065665}
}