@misc{indiciae3a90a8d7e360,
  title = {ExEP Technosignatures Gap List Study},
  author = {Mamajek, Eric E and Siegler, Nick and Timmaraju, Virisha},
  year = {2021},
  url = {https://ntrs.nasa.gov/citations/20230004888},
  note = {Source identifier: 20230004888}
}