1. Sazonov S., Ostriker J., Sunyaev R. "Quasars: the characteristic spectrum and the induced radiative heating" 2004 Mon. Not. Roy. Astron. Soc. 347, 144

2. Sazonov S., Ostriker J., Ciotti L., Sunyaev R. "Radiative feedback from quasars and the growth of massive black holes in stellar spheroids" 2005 Mon. Not. Roy. Astron. Soc. 358, 168

3. Churazov E., Sazonov S., Sunyaev R., Forman W., Jones C., Boehringer H. "Supermassive black holes in elliptical galaxies: switching from very bright to very dim" 2005 Mon. Not. Roy. Astron. Soc., accepted