Exoplanets. Introduction.

@article{Burrows2014ExoplanetsI,
  title={Exoplanets. Introduction.},
  author={Adam S. Burrows and Geoffrey W. Marcy},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2014},
  volume={111 35},
  pages={12599-600}
}