Mothé-Diniz, T.; Carvano, J. M. (Kasım 2005), "221 Eos: a remnant of a partially differentiated parent body?", Astronomy and Astrophysics, 442 (2), ss. 727-729, Bibcode:2005A&A...442..727M, doi:10.1051/0004-6361:20053551.
Mothé-Diniz, T.; Carvano, J. M. (Kasım 2005), "221 Eos: a remnant of a partially differentiated parent body?", Astronomy and Astrophysics, 442 (2), ss. 727-729, Bibcode:2005A&A...442..727M, doi:10.1051/0004-6361:20053551.