Kipping, D. M.; et al. (2013-11), “The Hunt for Exomoons with Kepler (HEK). III. The First Search for an Exomoon around a Habitable-zone Planet”, Astrophysical Journal777 (2): 134, Bibcode: 2013ApJ...777..134K, doi:10.1088/0004-637X/777/2/134
Kipping, D. M.; et al. (2013-11), “The Hunt for Exomoons with Kepler (HEK). III. The First Search for an Exomoon around a Habitable-zone Planet”, Astrophysical Journal777 (2): 134, Bibcode: 2013ApJ...777..134K, doi:10.1088/0004-637X/777/2/134