@misc{indiciae7a4a85d2a1dc,
  title = {Terrestrial, Habitable-Zone Exoplanet Frequency from Kepler},
  author = {Traub, Wesley A.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20120015818},
  note = {Source identifier: 20120015818}
}