@misc{indiciae7172a819d2b7,
  title = {High Thrust-to-Power Annular Engine Technology},
  author = {Patterson, Michael J. and Thomas, Robert E. and Crofton, Mark W. and Young, Jason A. and Foster, John E.},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150023039},
  note = {Source identifier: 20150023039}
}