Cole, Andrew A.; Tolstoy, Eline; Gallagher, John S., III; Hoessel, John G.; Mould, Jeremy R.; Holtzman, Jon A.; Saha, Abhijit; Ballester, Gilda E.; Burrows, Christopher J.; Clarke, John T.; Crisp, David; Griffiths, Richard E.; Grillmair, Carl J.; Hester, Jeff J.; Krist, John E.; Meadows, Vikki; Scowen, Paul A.; Stapelfeldt, Karl R.; Trauger, John T.; Watson, Alan M.; Westphal, James R.Stellar Populations at the Center of IC 1613 (англ.) // The Astronomical Journal. — IOP Publishing, 1999. — Vol. 118, no. 4. — P. 1657—1670. — doi:10.1086/301042. — Bibcode: 1999AJ....118.1657C. — arXiv:astro-ph/9905350.
Cole, Andrew A.; Tolstoy, Eline; Gallagher, John S., III; Hoessel, John G.; Mould, Jeremy R.; Holtzman, Jon A.; Saha, Abhijit; Ballester, Gilda E.; Burrows, Christopher J.; Clarke, John T.; Crisp, David; Griffiths, Richard E.; Grillmair, Carl J.; Hester, Jeff J.; Krist, John E.; Meadows, Vikki; Scowen, Paul A.; Stapelfeldt, Karl R.; Trauger, John T.; Watson, Alan M.; Westphal, James R.Stellar Populations at the Center of IC 1613 (англ.) // The Astronomical Journal. — IOP Publishing, 1999. — Vol. 118, no. 4. — P. 1657—1670. — doi:10.1086/301042. — Bibcode: 1999AJ....118.1657C. — arXiv:astro-ph/9905350.
Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field (англ.) // Astrophysics : journal. — Springer, 2006. — Vol. 49, no. 1. — P. 3—18. — doi:10.1007/s10511-006-0002-6. — Bibcode: 2006Ap.....49....3K.
Cole, Andrew A.; Tolstoy, Eline; Gallagher, John S., III; Hoessel, John G.; Mould, Jeremy R.; Holtzman, Jon A.; Saha, Abhijit; Ballester, Gilda E.; Burrows, Christopher J.; Clarke, John T.; Crisp, David; Griffiths, Richard E.; Grillmair, Carl J.; Hester, Jeff J.; Krist, John E.; Meadows, Vikki; Scowen, Paul A.; Stapelfeldt, Karl R.; Trauger, John T.; Watson, Alan M.; Westphal, James R.Stellar Populations at the Center of IC 1613 (англ.) // The Astronomical Journal. — IOP Publishing, 1999. — Vol. 118, no. 4. — P. 1657—1670. — doi:10.1086/301042. — Bibcode: 1999AJ....118.1657C. — arXiv:astro-ph/9905350.
Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field (англ.) // Astrophysics : journal. — Springer, 2006. — Vol. 49, no. 1. — P. 3—18. — doi:10.1007/s10511-006-0002-6. — Bibcode: 2006Ap.....49....3K.
Cole, Andrew A.; Tolstoy, Eline; Gallagher, John S., III; Hoessel, John G.; Mould, Jeremy R.; Holtzman, Jon A.; Saha, Abhijit; Ballester, Gilda E.; Burrows, Christopher J.; Clarke, John T.; Crisp, David; Griffiths, Richard E.; Grillmair, Carl J.; Hester, Jeff J.; Krist, John E.; Meadows, Vikki; Scowen, Paul A.; Stapelfeldt, Karl R.; Trauger, John T.; Watson, Alan M.; Westphal, James R.Stellar Populations at the Center of IC 1613 (англ.) // The Astronomical Journal. — IOP Publishing, 1999. — Vol. 118, no. 4. — P. 1657—1670. — doi:10.1086/301042. — Bibcode: 1999AJ....118.1657C. — arXiv:astro-ph/9905350.