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, s. 3–18. Dostupné online. 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, s. 3–18. Dostupné online. DOI: 10.1007/s10511-006-0002-6.
History of the Local Group. To be published in: "The Local Group as an Astrophysical Laboratory" (Cambridge University Press), May 2003. Dostupné online.