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Yao-Yuan Mao, Marla Geha, Risa H. Wechsler, Benjamin Weiner, Erik J. Tollerud, Ethan Nadler et Nitya Kallivayalil, « The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies », The Astrophysical Journal, vol. 907, no 2, , p. 35 pages (DOI10.3847/1538-4357/abce58, Bibcode2021ApJ...907...85M, lire en ligne [PDF])
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Yao-Yuan Mao, Marla Geha, Risa H. Wechsler, Benjamin Weiner, Erik J. Tollerud, Ethan Nadler et Nitya Kallivayalil, « The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies », The Astrophysical Journal, vol. 907, no 2, , p. 35 pages (DOI10.3847/1538-4357/abce58, Bibcode2021ApJ...907...85M, lire en ligne [PDF])
Abraham Mahtessian, « Groups of galaxies. III. Some empirical characteristics », Astrophysics, vol. 41 #3, , p. 308-321 (DOI10.1007/BF03036100, lire en ligne, consulté le )