@misc{indiciae85e7d5a3aa9b,
  title = {Interstellar Probe Mission/System Concept},
  author = {Wallace, R. and Ayon, J. and Sprague, G.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20060032175},
  note = {Source identifier: 20060032175}
}