Dotti, M. High Energy Astrophysics, MPI for Astrophysics, Max Planck Society;
Volonteri, M., Dotti, M., Campbell, D., & Mateo, M. (2011). Massive black holes in stellar systems: "quiescent" accretion and luminosity. The Astrophysical Journal, 730(2): 145, pp. 1-7. doi:10.1088/0004-637X/730/2/145.