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GRAHAM, Alister W. Populating the Galaxy Velocity Dispersion - Supermassive Black Hole Mass Diagram: A Catalogue of (Mbh, σ) Values. S. 167–175. Publications of the Astronomical Society of Australia [online]. Listopad 2008 [cit. 2020-03-25]. Roč. 25, čís. 4, s. 167–175. Dostupné online. arXiv0807.2549. doi:10.1071/AS08013. Bibcode2008PASA...25..167G. (anglicky)
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GRAHAM, Alister W. Populating the Galaxy Velocity Dispersion - Supermassive Black Hole Mass Diagram: A Catalogue of (Mbh, σ) Values. S. 167–175. Publications of the Astronomical Society of Australia [online]. Listopad 2008 [cit. 2020-03-25]. Roč. 25, čís. 4, s. 167–175. Dostupné online. arXiv0807.2549. doi:10.1071/AS08013. Bibcode2008PASA...25..167G. (anglicky)
GARCIA, A. General study of group membership. II - Determination of nearby groups. S. 47–90. Astronomy and Astrophysics Supplement [online]. Červenec 1993 [cit. 2020-03-25]. Roč. 100, s. 47–90. Dostupné online. Bibcode1993A&AS..100...47G. (anglicky)
GRAHAM, Alister W. Populating the Galaxy Velocity Dispersion - Supermassive Black Hole Mass Diagram: A Catalogue of (Mbh, σ) Values. S. 167–175. Publications of the Astronomical Society of Australia [online]. Listopad 2008 [cit. 2020-03-25]. Roč. 25, čís. 4, s. 167–175. Dostupné online. arXiv0807.2549. doi:10.1071/AS08013. Bibcode2008PASA...25..167G. (anglicky)
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