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Ripepi, V.; Molinaro, R.; Musella, I.; Marconi, M.; Leccia, S.; Eyer, L. (2019). "Reclassification of Cepheids in the Gaia Data Release 2. Period-luminosity and period-Wesenheit relations in the Gaia passbands". Astronomy and Astrophysics. 625: 625. arXiv:1810.10486. Bibcode:2019A&A...625A..14R. doi:10.1051/0004-6361/201834506. S2CID119338608.
Ripepi, V.; Molinaro, R.; Musella, I.; Marconi, M.; Leccia, S.; Eyer, L. (2019). "Reclassification of Cepheids in the Gaia Data Release 2. Period-luminosity and period-Wesenheit relations in the Gaia passbands". Astronomy and Astrophysics. 625: 625. arXiv:1810.10486. Bibcode:2019A&A...625A..14R. doi:10.1051/0004-6361/201834506. S2CID119338608.