@misc{indiciaeeb66f3b026fe,
  title = {Filed emission cathodes for electrodynamic tethers: identifying compatible cathode materials},
  author = {Marrese, C. and Polk, J. and Mackie, B. and Quinlan, M. and Koel, B.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060030699},
  note = {Source identifier: 20060030699}
}