Divakara Mayya, Y.; Carrasco, Luis. M82 as a Galaxy: Morphology and Stellar Content of the Disk and Halo. Revista Mexicana de Astronomía y Astrofísica (Serie de conferencias). 2009, 37: 44–55. Bibcode:2009arXiv0906.0757D. arXiv:0906.0757.
Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field. Astrophysics. 2006, 49 (1): 3–18. Bibcode:2006Ap.....49....3K. doi:10.1007/s10511-006-0002-6.
Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field. Astrophysics. 2006, 49 (1): 3–18. Bibcode:2006Ap.....49....3K. doi:10.1007/s10511-006-0002-6.
Divakara Mayya, Y.; Carrasco, Luis. M82 as a Galaxy: Morphology and Stellar Content of the Disk and Halo. Revista Mexicana de Astronomía y Astrofísica (Serie de conferencias). 2009, 37: 44–55. Bibcode:2009arXiv0906.0757D. arXiv:0906.0757.