@misc{hadden2016kepler,
  title={Kepler Planet Masses and Eccentricities from TTV Analysis},
  author={Sam Hadden and Yoram Lithwick},
  year={2016},
  eprint={1611.03516},
  archivePrefix={arXiv},
  primaryClass={astro-ph.EP},
  doi={10.3847/1538-3881/aa71ef},
  url={https://arxiv.org/abs/1611.03516}
}