@article{Elsila2009glycine,
  author = {Elsila and Glavin and Dworkin},
  title = {Cometary glycine detected in samples returned by Stardust},
  journal = {Meteoritics & Planetary Science},
  year = {2009},
  doi = {10.1111/j.1945-5100.2009.tb01224.x},
  url = {https://doi.org/10.1111/j.1945-5100.2009.tb01224.x}
}

@article{Sandford2006organics,
  author = {Sandford and Aléon and Alexander and others},
  title = {Organics Captured from Comet 81P/Wild 2 by the Stardust Spacecraft},
  journal = {Science},
  year = {2006},
  doi = {10.1126/science.1135841},
  url = {https://doi.org/10.1126/science.1135841}
}