@misc{indiciaeeef6d73e8ffa,
  title = {The Origin of Planetary Nitrogen},
  author = {Owen, T. and Niemann, H. and Mahaffy, P. and Atreya, S.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20070010481},
  note = {Source identifier: 20070010481}
}