XMM-Newton view of the double-peaked Fe Kα complex in E1821+643E. Jiménez-Bailón, M. Santos-Lleó, E. Piconcelli, G. Matt, M. Guainazzi and P. Rodríguez-PascualA&A, 461 3 (2007) 917-922DOI: https://doi.org/10.1051/0004-6361:20065566