(EN) Cayman T. Unterborn, Steven J. Desch, Natalie R. Hinkel & Alejandro Lorenzo, Inward migration of the TRAPPIST-1 planets as inferred from their water-rich compositions (abstract), in Nature Astronomy, 19 marzo 2018, DOI:10.1038/s41550-018-0411-6.
(EN) Cayman T. Unterborn, Steven J. Desch, Natalie R. Hinkel & Alejandro Lorenzo, Inward migration of the TRAPPIST-1 planets as inferred from their water-rich compositions (abstract), in Nature Astronomy, 19 marzo 2018, DOI:10.1038/s41550-018-0411-6.