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Marco Riello, F. De Angeli, D. W. Evans: Gaia Early Data Release 3: Photometric content and validation. In: Astronomy & Astrophysics. 3. Dezember 2020, ISSN0004-6361, doi:10.1051/0004-6361/202039587 (aanda.org [abgerufen am 9. Dezember 2020]).