Mayor, M.; et al. (setembro de 2011). «The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets». eprint arXiv:1109.2497. Bibcode:2011arXiv1109.2497M. arXiv:1109.2497 !CS1 manut: Uso explícito de et al. (link)
Tsantaki, M.; et al. (julho de 2013). «Deriving precise parameters for cool solar-type stars. Optimizing the iron line list». Astronomy & Astrophysics. 555: A150, 11 pp. Bibcode:2013A&A...555A.150T. doi:10.1051/0004-6361/201321103 !CS1 manut: Uso explícito de et al. (link)
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Mayor, M.; et al. (setembro de 2011). «The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets». eprint arXiv:1109.2497. Bibcode:2011arXiv1109.2497M. arXiv:1109.2497 !CS1 manut: Uso explícito de et al. (link)
Tsantaki, M.; et al. (julho de 2013). «Deriving precise parameters for cool solar-type stars. Optimizing the iron line list». Astronomy & Astrophysics. 555: A150, 11 pp. Bibcode:2013A&A...555A.150T. doi:10.1051/0004-6361/201321103 !CS1 manut: Uso explícito de et al. (link)