@misc{indiciaee473cd58f9fd,
  title = {Next-Generation Ion Propulsion Being Developed},
  author = {Patterson, Michael J. and Soulas, George C. and Foster, John E. and Haag, Thomas W. and Pinero, Luis R. and Rawlin, Vincent K. and Doehne, S. Michelle},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20050201665},
  note = {Source identifier: 20050201665}
}