RyanR.CloutierRyanR. i inni, A More Precise Mass for GJ 1214 b and the Frequency of Multi-Planet Systems Around Mid-M Dwarfs, „The Astronomical Journal”, 162, 2021, s. 174, DOI: 10.3847/1538-3881/ac1584, arXiv:2107.14732(ang.).
RyanR.CloutierRyanR. i inni, A More Precise Mass for GJ 1214 b and the Frequency of Multi-Planet Systems Around Mid-M Dwarfs, „The Astronomical Journal”, 162, 2021, s. 174, DOI: 10.3847/1538-3881/ac1584, arXiv:2107.14732(ang.).