XPS on mixed conducting perovskites at elevated temperatures and close-to-ambient gas pressure - Joo, Jong-Hoon; Merkle, Rotraut; Maier, Joachim; Kubicek, Markus; Januschewsky, Judith; Fleig, Jürgen; Oestereich, Andreas; Hlavathy, Zoltan; Hävecker, Michael; Knop-Gericke, Axel; et al. (Diffusion Fundamentals, 2010)