Vertical dissipation profiles and the photosphere location in thin and slim accretion disks A. Sądowski, M. A. Abramowicz, M. Bursa, W. Kluźniak, A. Różańska and O. Straub A&A, 502 1 (2009) 7-13 Published online: 04 June 2009 DOI: 10.1051/0004-6361/200911846