@misc{indiciaec96d7967c10c,
  title = {The Evolution of the VASIMR Engine},
  author = {Chang-Diaz, F. R. and Squire, Jared P. and Petro, Andrew and Nguyen, Tri X.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20100033244},
  note = {Source identifier: 20100033244}
}