Döring, S.; Schönbohm, F.; Berges, U.; Schreiber, R.; Bürgler, D.E.; Schneider, C.M.; Gorgoi, M.; Schäfers, F.; Papp, C.; Balke, B.; Fadley, C.S.; Westphal, C.: Hard x-ray photoemission studies using standing-wave excitation applied to the MgO/Fe interface. Physical Review B 83 (2011), p. 165444/1-9