J Kormendy, D Richstone - Annual Review of Astronomy and …, 1995 - adsabs.harvard.edu
Dynamical searches reveal central dark objects with masses $\sim 10^ 6$ to $10^{9.5}
$\msun in the Galaxy,\m31,\mm32, M87, NGC 3115, NGC 3377, NGC 4258, and NGC 4594 …