Hanuš, J.; Marsset, M.; Vernazza, P.; Viikinkoski, M.; Drouard, A.; Brož, M.; ve diğerleri. (24 Nisan 2019). "The shape of (7) Iris as evidence of an ancient large impact?". Astronomy & Astrophysics. 624 (A121). ss. A121. arXiv:1902.09242 $2. Bibcode:2018DPS....5040406H. doi:10.1051/0004-6361/201834541.
Hanuš, J.; Marsset, M.; Vernazza, P.; Viikinkoski, M.; Drouard, A.; Brož, M.; ve diğerleri. (24 Nisan 2019). "The shape of (7) Iris as evidence of an ancient large impact?". Astronomy & Astrophysics. 624 (A121). ss. A121. arXiv:1902.09242 $2. Bibcode:2018DPS....5040406H. doi:10.1051/0004-6361/201834541.
Hanuš, J.; Marsset, M.; Vernazza, P.; Viikinkoski, M.; Drouard, A.; Brož, M.; ve diğerleri. (24 Nisan 2019). "The shape of (7) Iris as evidence of an ancient large impact?". Astronomy & Astrophysics. 624 (A121). ss. A121. arXiv:1902.09242 $2. Bibcode:2018DPS....5040406H. doi:10.1051/0004-6361/201834541.