Sandip K. Chakrabarti Senior Professor & Head Department of Astrophysics & Cosmology Astrophysics Group S N Bose National Centre for Basic Sciences JD Block, Sector III Salt Lake City Kolkata 700 098, India Telehpone +91-33-23355706/7/8 Ext 200 Fax +91-33-23353477 e-mail: chakraba-at-bose.res.in
Accretion in Black Holes. Astrophysics.