@misc{indiciaec3ba242f6ca6,
  title = {Roadmap for In-Space Propulsion Technology},
  author = {Meyer, Michael and Johnson, Les and Palaszewski, Bryan and Coote, David and Goebel, Dan and White, Harold},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120009205},
  note = {Source identifier: 20120009205}
}