Growing Black Holes: Accretion in a Cosmological Context Proceedings of the MPA/ESO/MPE/USM Joint Astronomy Conference Held at Garching, Germany, 21-25 June 2004 - Merloni, Andrea.; Merloni, Andrea.; Nayakshin, Sergei V.; Nayakshin, Sergei V.; Sunyaev, Rashid A.; Sunyaev, Rashid A. (Springer Berlin Heidelberg : Imprint: Springer, 2005)