@misc{indiciae46f4cfe2fa6e,
  title = {High Thrust-to-Power Annular Engine Technology},
  author = {Patterson, Michael and Thomas, Robert and Crofton, Mark and Young, Jason A. and Foster, John E.},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150023028},
  note = {Source identifier: 20150023028}
}