@misc{indiciae5a78204db09a,
  title = {Deployable Fresnel Rings},
  author = {Kennedy, Timothy F. and Fink, Patrick W. and Chu, Andrew W. and Lin, Gregory Y.},
  year = {2014},
  url = {https://ntrs.nasa.gov/citations/20140002358},
  note = {Source identifier: 20140002358}
}