Soft X-ray emission lines from a relativistic accretion disk in MCG-6-30-15 and Mrk 766G. Branduardi-Raymont, M. Sako, S. M. Kahn, A. C. Brinkman, J. S. Kaastra and M. J. PageA&A, 365 1 (2001) L140-L145DOI: https://doi.org/10.1051/0004-6361:20000209